View source for Talk:Chlamydia

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==Vaccine==
In August 2016 a Phase I phase 1, double-blind, parallel, randomized, placebo-controlled clinical trial was undertaken by the [[Danish Statens Serum Institut]] at [[Hammersmith Hospital]] in London, UK, in healthy women aged 19–45 years. The trial aimed to assess the safety and ability to provoke an immune response of the CTH522 chlamydia vaccine. 35 women not infected with chlamydia were included in the trial. The trial included two adjuvants and a saline control group. The vaccine was found to be safe, and all women who received the vaccine regardless of adjuvant developed an immune response against chlamydia. <ref>{{Cite journal|last1=Abraham|first1=Sonya|last2=Juele|first2=Helene|last3=Bang|first3=Peter|last4=Cheeseman|first4=Hannah||last5=Dohn|first5=Rebecca| |last6=Cole|first6=Tom|date=2019-08-01|title=Safety and immunogenicity of the chlamydia vaccine candidate CTH522 adjuvanted with CAF01 liposomes or aluminium hydroxide: a first-in-human, randomised, double-blind, placebo-controlled, phase 1 trial|journal=Lancet Infectious Disease|language=en|volume=19|issue=10|pages=P1091-1100|doi=10.1016/S1473-3099(19)30279-83| }}</ref>

The Serum Institute has announced that it will continue to pursue funding to move the vaccine into a Phase II trial.<ref>{{Cite web |first1=Frank | last1=Follmann| date=2020-01-28 | title=A chlamydia vaccine is on the horizon |url=https://www.healtheuropa.eu/a-chlamydia-vaccine-on-the-horizon/96986/#:~:text=The%20TracVac%20consortium%20works%20towards,causing%20ocular%20Chlamydia%20trachomatis%20infections.}}</ref>

==Betalactam==
betalactam refers to the ring srtucture, i believe the term you are looking for in treatment is BETA LACTAMASE.  please fix this cos I don't know how to.

==Other animals==
The page [[koala]] claims that koalas can have chlamydia. Aside from the obvious dirty jokes, some information about chlamydia in non-human species might be relevant here. --[[User:Fubar Obfusco|FOo]] 17:12, 24 Jan 2004 (UTC)It seems cougars or pumas are also having problems with this disease. 
 
:There are many different types of Chlamydia.  The STD (and the type that causes conjunctivitis in neonates,) is C. trachomatis.  The types that koalas get are C. pecorum and C. pneumoniae.  Humans also get other types of Chlamydia besides C. trachomatis.[[User:Walking Softly|Walking Softly]] 03:24, 20 October 2007 (UTC)  

== Orthography ==

As far I’m concerned I think taxonomical names must be written in italic text, as the following: ''Escherichia coli'' or ''E. coli''. Please, revise than question.

The Veronica Mars paragraph is irrelevant for this topic and should be removed. 15:52, 29 August 2006 (UTC)

== Acquiring Chlamydia without sexual contact? ==
''Chlamydia is just as likely to occur when there is no recent sexual contact, recent onset of menses, or an IUD in place or if the partner has a sexually transmitted disease.''

Is it possible to become infected with chlamydia without having sexual contact to an infected person? Can I take the quoted sentence from paragraph 3 of the article to mean that? --[[User:82.207.230.185|82.207.230.185]] 19:05, 14 February 2007 (UTC)
:It's very unclear what the author of that sentence was trying to say. They may have meant:
:* That you can become infected even if you are not having ''regular'' sexual contact (which is true - you can get it from a single sexual encounter). 
:* That ''symptoms'' may occur spontaneously in a previously infected person without any recent sexual contact (also true). 
:* That you can contract chlamydia from non-sexual contact. This is true, but quite rare. Newborn babies can catch chlamydia from their mothers during birth, and hand-to-eye infections and other non-sexual infections are possible.
:However, the statement as worded is very vague. -- [[User:125.236.147.165|125.236.147.165]] 11:51, 2 March 2007 (UTC)

==Unclear sentence==
In the article, I read the following sentence: 
:Appendicitis, ectopic pregnancy, septic abortion, hemorrhagic or ruptured ovarian cysts or tumors, twisted ovarian cyst, degeneration of a myoma, and acute enteritis must be considered. 

Can someone replace the that sentence with a clearer explanation. The sentence tells me to consider several unpleasant conditions, or at least that someone must consider them. I wonder ''who'' must consider these conditions, ''when'' must they be considered, and ''why'' must these conditions be considered. 

Moreover, it does not become clear whether the fact that these conditions must be considered has any relationship with the subject off this article, which is '''Chlamydia'''. I suppose it has, because someone wrote that sentence in this article and not in the article [[Influenza]]. 

One more thing, could someone also explain ''how'' these conditions must be considered? Is it okay if I just lean back in my chair for five minutes, and quitly consider appendicitis and that other stuff? Or should something else be done as well? And I would welcome some links from those hard words to some applicable Wikipedia articles as well. [[User:Johan Lont|Johan Lont]] 11:57, 13 March 2007 (UTC)
:The unclear sentence originates from [http://en.wikipedia.org/w/index.php?title=Chlamydia&diff=next&oldid=106025932 this edit]. [[User:Johan Lont|Johan Lont]] 12:04, 13 March 2007 (UTC)

::I have further investigated the origins from that sentence. It seems to come from some [http://en.wikipedia.org/w/index.php?title=Special:Contributions&limit=100&target=86.43.65.247 edits done from IP-address 86.43.65.247] on February 6, 2007. Looks like nonsense. For example, the next sentence was cut off halfway. I will delete [http://en.wikipedia.org/w/index.php?title=Chlamydia&diff=106026298&oldid=105378409 those edits]. [[User:Johan Lont|Johan Lont]] 12:11, 13 March 2007 (UTC)

can you have sex with a partner thar has chalmydia and still not catch it if you were having sex with that person for 3 months straight unprotected, with out condoms,is that possible or was i cheated on?  <span style="font-size: smaller;" class="autosigned">—Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[Special:Contributions/76.27.212.200|76.27.212.200]] ([[User talk:76.27.212.200|talk]]) 22:19, 6 May 2009 (UTC)</span><!-- Template:UnsignedIP --> <!--Autosigned by SineBot-->

I am not a native English speaker, but the sentence "''It is can present similar to Neisseria gonorrhoeae "the clap" or in combination with it.'' sound like nonsense to me. Could someone rewrite it to clarify it? [[User:Nazgul02|Nazgul02]] ([[User talk:Nazgul02|talk]]) 15:07, 8 January 2010 (UTC)

== "Unusual discharge" ==

Can someone go into more detail about the "unusual discharge"? What is it? What is it made up of? [[User:Flashpoint145|Flashpoint145]] 02:06, 12 April 2007 (UTC)

== Untested Treatments ==

Why does the page list a treatment (Ciprofloxacin) which comes under the heading 'untested' and a disclaimer saying it is shown to be ineffective? I don't see what this adds to the article apart from a disclaimer that breaks the layout due to not wrapping, unless this is a common treatment and listed to inform people of its lack of efficacy <small>—The preceding [[Wikipedia:Sign your posts on talk pages|unsigned]] comment was added by [[Special:Contributions/82.152.221.253|82.152.221.253]] ([[User talk:82.152.221.253|talk]]) 22:00, 27 April 2007 (UTC).</small><!-- HagermanBot Auto-Unsigned -->
* This has now long since been fixed.  Thank you for pointing it out.[[User:A loose necktie|A loose necktie]] ([[User talk:A loose necktie|talk]]) 01:57, 17 August 2019 (UTC)

== Images ==
The images really did not identify anything, thus I have removed them. Before inserting them again, make sure to give a detailled descrption of what to look for on the images.

== Burning ==

If you have a buring sensation while urinating dose it mean you deffinetly have a STD? Thank you in advance! Sorry about the spelling!

It would not necessarily be an STD.  Burning during or after urination could indicate an STD, a urinary tract infection, or irritation of the urethra, BUT - If in doubt, get it checked out, untreated STDs can lead to fertility problems. [[User:BruceD270|BruceD270]] 16:42, 5 October 2007 (UTC)

*Wikipedia, however, is not a place to ask for medical diagnosis or to seek medical advice.  Please do not ask these kinds of questions here.  Save them for your doctor.  Thank you. [[User:A loose necktie|A loose necktie]] ([[User talk:A loose necktie|talk]]) 10:57, 2 August 2019 (UTC)

==Eyes==

Is it true that they put something in the eyes of babies when they are born to kill off this disease?

:In the U.S. it is Silver nitrate (1%) or Erythromycin (0.5%) or Tetracycline ophthalmic ointment (1%) according to the CDC.gov 2002 site. [[User:BruceD270|BruceD270]] 15:57, 12 October 2007 (UTC)

==Diagnosis==
What is the procedure for determining if someone has Chlamydia? Is it a standard blood test?

:In the U.S., I would say most physicians diagnose it based on signs & symptoms (but co-infection with gonorrhea must be suspected).  To confirm the diagnosis, there are a few options 1) PCR of clean-catch urine (as on the wikipage) 2) Culture/gram stain of urethral/cervical swab or conjunctival scraping, but these must contain epithelial cells, as chlamydia is an obligate intracellular.  [[User:BruceD270|BruceD270]] 16:06, 12 October 2007 (UTC)
:Hi.  I tried to add this bit b/c the part about diagnosis is really weird.  But I'm new and when I tried adding it, it totally messed the page up.  Here it is if someone can add it for me!--> In addition, due to its high specificity (100%) and high sensitivity, cell culture remains the only method that should be used for testing when possible legal implications may be involved. Giemsa stains or immunofluorescent staining with monoclonal antibodies (never gram stains) are used to view the intracytoplasmic inclusions in the cell cultures. (Btw, you can reference the eMedicine page that I already added to the references.)[[User:Walking Softly|Walking Softly]] 03:24, 20 October 2007 (UTC)

Also, with regards to diagnosis to diagnosis of genitourinary infections (penis/vagina), guys can have a pee-in-the cup test, but women need what looks like a pap smear test.  Makes sense since the urine doesn't come through the vagina, right?  Adults RARELY get it in the eye.  Babies get it there just b/c the mom is infected in her vagina (if she didn't get proper pre-natal care) and as the baby passes through the birth canal, it gets secretions in its eyes.  Nowadays, no matter what, if a baby is born in a hospital, it's given erythromycin eye drops immediately.  Unfortunately this is not always effective.  Baby can also get pneumonia this way.[[User:Walking Softly|Walking Softly]] 03:24, 20 October 2007 (UTC)

Chlamydia and oral sex It is given on [http://www.doctorgoodskin.com] that Chlamydia is difficult to get by oral sex. The bacteria does not infect the oral area as much as the genitals.

Please add wikilink to [[transcription mediated amplification]]. [[Special:Contributions/209.205.72.95|209.205.72.95]] ([[User talk:209.205.72.95|talk]]) 01:47, 20 April 2024 (UTC)

== Reiter's syndrome ==

The term "Reiter's syndrome" is absolutely still used.  Sorry to hear about Reiter's association with Nazi's, but docs still use it and it's still taught in med schools and tested on the boards.  The thing is, you can't apply it to simple reactive arthritis caused by chlamydia or gonorrhea.  Reiter's syndrome refers to the triad (MUST have all 3 parts--you can't say patient has Reiter's syndrome minus conjunctivitis or some silliness like that) of reactive arthritis, conjunctivitis, and urethritis.  

Can we take this bit out and instead explain what true Reiter's syndrome is or at least explain what reactive arthritis is?  

Btw, reactive arthritis is something that could be avoided if the chlamydia/gonorrhea were treated immediately with antibiotics, but after the arthrtitis has established itself, it's really its own entitity, and must be treated like regular arthritis.  [[User:Walking Softly|Walking Softly]] 16:20, 20 October 2007 (UTC)

REMOVED BIT REGARDING HANS REITER (SEEMS UNNECESSARY, AND REALLY ISN'T TRUE):
(Some forms of reactive arthritis formerly were known as Reiter's syndrome. The latter term has fallen out of favor owing to revelations about [[Hans Conrad Julius Reiter[]'s Nazi past and in particular his alleged active participation in horrific human experiments in concentration camps.)[[User:Walking Softly|Walking Softly]] 14:24, 26 October 2007 (UTC)

== We Need CITATIONS!!  (References) ==

Please look up facts and add citations where you can.  There should be footnotes all over this page, and there are only TWO at present.  Thank you:)  [[User:Walking Softly|Walking Softly]] 14:52, 26 October 2007 (UTC)

:You're an angel, [[User:DO11.10]].  Thanks for your work on this. [[User:Walking Softly|Walking Softly]] 22:18, 27 October 2007 (UTC)

== Combining this page with the existing one entitled, "Chlamydia trachomatis" ==

I think we need to combine this page with the existing one on ''''[[Chlamydia trachomatis]]'''', and name the combined page, "''Chlamydia trachomatis''."  When people type in plain ole "Chlamydia" or "Chlamydiae" into the search engine, it should come to "Chlamydia trachomatis," with options to redirect to all the other ''Chlamydia'', and ''Chlamydophila'' pages.  At present, I think it's just confusing.  Thoughts?

:In general (although not always) organisms and diseases ''should'' and do have separate wikipages (e.g. [[Tetanus]] and ''[[Clostridium tetani]]'', or [[Poliomyelitis]] and [[Poliovirus]]) for probably two reasons. Either the disease page got to be too large (in the case of [[Poliomyelitis]], see [[WP:SUMMARY]] for details about article size) or because it is simpler to separate two distinct things from one another than it is to combine them (in the case of [[Tetanus]]). In keeping with this, the article about Chlamydia should be about the disease, the article about ''Chlamydia trachomatis'' should be about the organism, but this does not appear to be the case. I think that the major problem here is that ''Chlamydia trachomatis'' doesn't tell me much about the organism ''Chlamydia trachomatis'', but really just contains a long list of diseases that the bacteria can cause. 

:Please have a look at the above groups of articles. I think that the division in either of these examples is actually less "confusing" given than they both stay reasonably within the bounds of their subject (clearly ''some'' amount of overlap is required). I think a better course of action would be to improve and refocus ''Chlamydia trachomatis'' on the organism. I suspect that this would alleviate much of the confusion. --[[User:DO11.10|DO11.10]] 22:42, 26 October 2007 (UTC)

::I understand this logic and agree with refocusing the ''Chlamydia trachomatis'' page, although I think we might need to take a look at the other pages on Chlamydiae species and make sure everything's lining up.  However I would also like to add a ''prominant'' something somewhere that includes disambiguation and clarification so that people (like the one on the talk page who essentially asks how koalas got a sexually transmitted disease that's normally in humans) understand that "Chlamydia" does not refer only to one species.  Kind of an overall summary of the Chlamydiae species, maybe one that appears in a box on each of the Chlamydiae pages?  ''I'm'' not confused, but I've met many patients and second year med students who are very weirded out when they hear that "Chlamydia" can cause an upper respiratory infection in a child.   And it's a very understandable mistake.  [[User:Walking Softly|Walking Softly]] 00:07, 27 October 2007 (UTC)

:::Is something like the following at the top of the page what you had in mind? 
::::<nowiki>{{ otheruses4|the sexually transmitted disease|other diseases caused by Chlamydiae species|Chlamydiae}}</nowiki> which gives:
::::''This article is about the sexually transmitted disease. For other diseases caused by Chlamydiae species, see [[Chlamydiae]].''  

:::I have not really looked into the all of the sub-articles here. Give me a day or two to look around, and I will try to come up with some sort of working organization here. I totally agree that this page, in particular, is quite confusing, and please feel free to make changes you see fit. But if you could please hold off on any redirecting just yet? Cheers--[[User:DO11.10|DO11.10]] 01:06, 27 October 2007 (UTC)

:::::I think more than that little statement at the top of the page is needed.  In addition, it would need to specify ''Chlamydia trachomatis,'' and that one "should also see ''Chlamydiae'' and ''Chlamydophila''."  Moreover, what the article deals with can also be transmitted in a non-sexual fashion (e.g., from mom to child or from genitals to hand to eye), though, yes, it is usually considered an STD.  It's just that I would like to somehow say that it is a disease that is usually transmitted sexually instead of a sexually transmitted disease since the whole "how did it get in the baby's eye" gets people sick to their stomachs, but that might be going too far.  And I'm rambling.

:::::Don't worry.  I won't do anything big.  I don't know how to, for one thing.  For another, I'm too new to be doing anything like reorganizing great swathes without consulting others.  See my response under your other entry (re: intro). [[User:Walking Softly|Walking Softly]] 21:15, 27 October 2007 (UTC)

== Re-working ==

A quick reworking of the intro:

:''This article is about the sexually transmitted disease. For other diseases caused by Chlamydia species, see [[Chlamydia pneumoniae]] and [[Chlamydophila psittaci]].''

'''Chlamydia''' (from the [[Ancient Greek|Greek]], χλαμύδος meaning "cloak") is a common [[sexually transmitted disease]] (STD) caused by the bacterium, ''[[Chlamydia trachomatis]]''. Chlamydia is a major infectious cause of human eye and [[genital]] disease. 

''C. trachomatis'' is naturally found living only inside human cells and is one of the most common sexually transmitted infections in people worldwide &mdash; about 2.8 million cases of chlamydia infection occur in the [[United States]] each year.<ref>[http://www.cdc.gov/std/Chlamydia/STDFact-Chlamydia.htm Chlamydia fact sheet from the Centers for Disease Control and Prevention]</ref> Chlamydia can be transmitted during [[vaginal intercourse|vaginal]], [[anal sex|anal]], or [[oral sex]], and can be passed from an infected mother to her baby during vaginal [[childbirth]]. Many people with Chlamydia exhibit no symptoms of infection. Between half and three-quarters of all women who have chlamydia have no symptoms and do not know that they are infected. If untreated, chlamydial infections can cause serious reproductive and other health problems with both short-term and long-term consequences.  Chlamydia is easily treated with antibiotics. 

Of equal importance, chlamydia infection of the eye is the most common cause of preventable [[blindness]] in the world. Blindness occurs as a complication of '''[[trachoma]]''' (chlamydia conjunctivitis).<ref>{{cite journal |author=Belland R, Ojcius D, Byrne G |title=Chlamydia |journal=Nat Rev Microbiol |volume=2 |issue=7 |pages=530 &ndash; 1 |year=2004 |id={{PMID|15248311}}}}</ref>

{{reftalk}}

:The rest of the intro should probably be moved to the [[Chlamydiae]] genus article or to the ''[[Chlamydia trachomatis]]'' article. Thoughts?--[[User:DO11.10|DO11.10]] 02:17, 27 October 2007 (UTC)

Hmm have just found the following, [http://www.chlamydiae.com/docs/Chlamydiales/diagram/taxondiag.htm] which indicates that there are some clear issues with the taxonomy of some of these articles.--[[User:DO11.10|DO11.10]] 02:23, 27 October 2007 (UTC)

:There are HUGE taxonomy issues with these articles which is why I was kind of losing my shit before (sorry about that, btw).  I've asked [[User:Arcadian]] to help b/c I'm clearly way over my head.  Here's some of our conversation (copied from his talk page--if that's not OK to do, btw, please erase it.  I'm still VERY new and learning the rules).

::::''I am in complete agreement with User:DO11.10, and would oppose the proposed merge with Chlamydia trachomatis. --Arcadian 01:35, 27 October 2007 (UTC)'' 
:::::''As stated in my reply to User:DO11.10, I am no longer in favor of merging the two pages now that I understand the disease vs. organism standard on Wiki. However, I would like your opinion on how best to clarify on the Chlamydia page (and perhaps on all Chlamydiae pages) what is going on with the name that so many find confusing. The intro as it stands seems a bit broad to me if the page is to focus only on the disease caused by Chlamyida trachomatis, and I'm not sure sloshing the explanation in with the regular introduction is the best way to do it.... Walking Softly 02:19, 27 October 2007 (UTC)'' 
:::::''Thank you very much for adding the disambiguation page on Chlamydia. May we add to it links to Chlamydophila, Chlamydophila pneumoniae, Chlamydophila pecorum, Chlamydophila psittaci, Chlamydophila abortus, Chlamydophila felis, and Chlamydophila caviae? Chlamydophila, Chlamydophila psittaci, and Chlamydophila pneumonia are particularly important because humans get these diseases and doctors for humans call them CHLAMYDIA such-and-such. In addition, in the popular news, the Chlamydophila diseases for animals still seem to be called Chlamydia (with no species identification) which is confusing for the general public. Walking Softly 19:45, 27 October 2007 (UTC)'' 

:Have I missed it, or is there an overall Chlamyida/''Chlamydiae''/''Chlamyophila'' page somewhere?  Do you think the disambiguation page will suffice to clarify this issue? [[User:Walking Softly|Walking Softly]] 20:34, 27 October 2007 (UTC)

:Haha!  I just looked at that chart you found.  Nice find.  It's absolutely superb and NEEDS to be on Wiki in some form.  I'm studying for my boards right now (I'm a third year med student) and have honestly never heard of Chlamydophila psiticci or pneumoniae before all this nonsense.  I'm never going to see the term on my boards, I promise.  As doctors, we just don't learn it, even though it supposedly was changed 8 years ago.  But that chart clarifies everything instantly.  If you look at the C. pneumoniae Wiki page, you'll see that WITHIN THE PAGE ITSELF, the species is refers to as both Chlamydia and Chlamydophila.  Not cool.  So am I making my case for an overall page that clarifies what's going on with the naming of the two genuses and lists all the species involved?  I think that will simplify each of the pages that deals with all the species involved.  Nice quick internal link on each page and none of this long drawn out business on each individual page.  [[User:Walking Softly|Walking Softly]] 20:46, 27 October 2007 (UTC)

:I rewrote the intro (again), taking out some stuff I'd added in, leaving in most of what you'd put in (I think), but taking into account Arcadian's comments below.  I included tons of internal links, and added a citation to the taxonomy image that you found in an effort to clarify.  I hope that kind of citation is OK; please undo/edit if it's not.  The one thing that's DEFINITELY missing is a sentence that explains what the scope/focus of the page is going to be.  I just kind of didn't know what to say.  I don't want to be self-referential, but what is left to say?  That even though "Chlamydia(l) infection" can refer to infection by any of the Chlamydia species, we're just going to talk about one here because...Wiki isn't read by pigs and we're not so keen on vets?  I don't think that would go over well;)  B/c there's already a page for C. suri and the other one that's harder to spell?  Anyhoo, I'll leave it up to you. I hope I'm not just massacring everything around here.  [[User:Walking Softly|Walking Softly]] 03:14, 28 October 2007 (UTC)

::The taxonomy issues really need to be addressed on the class, family and genus pages, not here. I think that the phylum article [[Chlamydiae]] would be the optimal place for an "overall page that clarifies what's going on with the naming of the two genuses and lists all the species involved."

::I think that Arcadian's change to "Chlamydia infection" is helpful, but ultimately might not be needed due to the reclassification of the genus. [[WP:NAME]] specifically states "Names of Wikipedia articles should be optimized for readers over editors; and for a general audience over specialists." I think that most people looking for Chlamydia are interested in the STD, and not the other species.  
::No need to fret, everyone worries that they are massacring the work of others at first. Your concerns about this page are clearly founded and you are doing a fine job. Cheers--[[User:DO11.10|DO11.10]] 18:23, 29 October 2007 (UTC)
:::As long as the intro to the page makes it clear that it covers the infection and not the genus, if you want to rename it back, I won't object. --[[User:Arcadian|Arcadian]] 03:08, 30 October 2007 (UTC)

== Staining ==

http://commons.wikimedia.org/wiki/Image:Pap_smear_showing_clamydia_in_the_vacuoles_500x_H%26E.jpg

I don't know what this is, but it's not chlamydia if it's H&E staining.  Chlamydia in culture has to be stained with Geimsa stains or direct fluorescence antibody (see http://eyemicrobiology.upmc.com/Chlamydia.htm).  If you disagree and want to say that H&E is possible, please reference a site.  I really don't think it's possible.  Geimsa can look like H&E, and I'm not the best with lab stuff, so I don't want to be the authority on this one, but I really think the picture and caption should at least be checked with an expert. [[User:Walking Softly|Walking Softly]] 22:58, 27 October 2007 (UTC)

As an aside, I don't think it should be called a Pap smear.  That traditionally refers to the sample and test for changes related to cervical cancer.  Besides, at this level, I don't know that you can tell it's a Pap smear.  Could be a sample from a guy's penis or a kid's eye.  Cell culture would be a safer term and the only one I've ever heard used, though I'm not an Ob-gyn attending nor a Pathologist, so again, I don't want to come down hard on this one.  Hey, maybe it IS a pap smear and stained with H&E, and I'm just too naive to know that that's somehow possible. [[User:Walking Softly|Walking Softly]] 23:48, 27 October 2007 (UTC)

==Chlamydophila==
I disagree with the recent change stating that "Chlamydophila Infections" (e.g., [[Psittacosis]]) are also known as "Chlamydia", using [[MeSH]] as the reference. Please look closer at [http://www.nlm.nih.gov/cgi/mesh/2007/MB_cgi?mode=&term=Chlamydia+Infections&field=entry#TreeC01.252.400.210.210 this link], and [http://www.nlm.nih.gov/cgi/mesh/2007/MB_cgi?mode=&term=Chlamydophila+Infections&field=entry#TreeC01.252.400.210.250 this one]. (They could both be described as [[Chlamydiaceae]] infections, but I don't think such a page is needed at this time.) --[[User:Arcadian|Arcadian]] 00:38, 28 October 2007 (UTC)

:Technically, you are correct, and I suppose Wiki should be putting out the information on what is correct instead of bowing to the pressure of the physicians and popular media of the world who insist on calling it by the old name.  I had already been the sites you linked to--and had actually added them as references, but then took them out when I realized that they don't include anything but the human species, and actually only 2 of them.  The chart [[User:DC011.1]] found (see above) is much better.  Also, check out the link I included on this Talk page that explains the debate.  Unfortunately, neither is a particularly good reference for this (article) page.  At any rate, I will rewrite that particular sentence (if you have not already), but I would still very much like you to include the individual Chlamydophila species (or at least [[Chlamydophila]]) on the disambiguation page you created.  A good part of the world is not yet up to speed on this issue.  Thank you for your continued consideration of this topic. [[User:Walking Softly|Walking Softly]] 02:07, 28 October 2007 (UTC)
::Feel free to expand the disambiguation page as needed (a style guideline is available at [[Wikipedia:Disambiguation]].) --[[User:Arcadian|Arcadian]] 05:46, 28 October 2007 (UTC)

===2018 Taxonomic Status===
The split of the genus into Chlamydia and Chlamydophila has been shown to be an erroneous inference based on a single gene, 16S rRNA.  Subsequent complete genome sequencing showed that Chlamydophila and Chlamydia are not a monophyletic genera, and it is proposed that the original genus Chlamydia be restored.

"The previous taxonomic separation of the genus
based on ribosomal sequences is neither consistent with the natural history of the
organism revealed by genome comparisons, nor widely used by the Chlamydia
research community 8 years after its introduction; thus, it is proposed to reunite
the Chlamydiaceae into a single genus, Chlamydia."<ref>Stephens, R.S., Myers, G., Eppinger, M. and Bavoil, P.M., 2009. Divergence without difference: phylogenetics and taxonomy of Chlamydia resolved. FEMS Immunology & Medical Microbiology, 55(2), pp.115-119.</ref>

"Glossary. Chlamydiaceae: a family of obligate intracellular bacteria that once included
two genera, Chlamydia and Chlamydophila, but has since been revised to the
single genus Chlamydia"<ref>Bachmann, N.L., Polkinghorne, A. and Timms, P., 2014. Chlamydia genomics: providing novel insights into chlamydial biology. Trends in Microbiology, 22(8), pp.464-472.</ref>

"We conclude that neither generally used 16S rRNA sequence identity cut-off values nor parameters based on genomic similarity consistently separate the two genera.  Notably, no easily recognizable phenotype such as host preference or tissue tropism is available that would support a subdivision. In addition, the genus Chlamydophila is currently not well accepted and not used by a majority of research groups in the field. Therefore, we propose the classification of all currently recognized Chlamydiaceae species in a single genus, the genus Chlamydia."<ref>Sachse, K., Bavoil, P.M., Kaltenboeck, B., Stephens, R.S., Kuo, C.C., Rosselló-Móra, R. and Horn, M., 2015. Emendation of the family Chlamydiaceae: proposal of a single genus, Chlamydia, to include all currently recognized species. Systematic and applied microbiology, 38(2), pp.99-103.</ref>

{{reftalk}}
--[[User:Canavalia|Canavalia]]  00:36, 11 December 2018 (UTC)

== WikiProject class rating==
This article was automatically assessed because at least one WikiProject had rated the article as start, and the rating on other projects was brought up to start class. [[User:BetacommandBot|BetacommandBot]] 16:25, 10 November 2007 (UTC)

== Edit request from 82.12.14.140, 17 May 2010 ==

{{tn|editsemiprotected}}
<!-- Begin request -->
Penultimate row of "Deaths per 100,000 table should read "100-110" instead of "100-90"

<!-- End request -->
[[Special:Contributions/82.12.14.140|82.12.14.140]] ([[User talk:82.12.14.140|talk]]) 22:09, 17 May 2010 (UTC)

:[[File:Yes check.svg|20px|link=|alt=]] '''Done'''<!-- Template:ESp --> Welcome to Wikipedia, it is now fixed, thanks for pointing it out, [[User:Jonkerz|jonkerz]][[User talk:Jonkerz|♠]] 22:25, 17 May 2010 (UTC)
*Though it does leave one asking (and the article even now does not say) how a person "dies" from chlamydia.  Wish someone would explain that fact rather than have readers coming across it who are infected and thinking, "Oh my God, am I gonna DIE from this??"  [[User:A loose necktie|A loose necktie]] ([[User talk:A loose necktie|talk]]) 02:02, 17 August 2019 (UTC)

== Edit request from 124.157.108.202, 16 September 2010 ==

{{tl|edit semi-protected}}
<!-- Begin request -->
Please change "(Although this is not an approved method of treatment.)" to "Due to the high risk of relapsing infection ciprofloxacin should not be used as a treatment of chlamydia infection." under Treatment, Untested treatments. 

Please change "Untested treatments" to "Non-approved treatments"

Sources:

Fong IW, Linton W, Simbul M, Thorup R, McLaughlin B, Rahm V, Quinn PA. Treatment of nongonococcal urethritis with ciprofloxacin. Am J Med. 1987 Apr 27;82(4A):311-6. 
http://www.ncbi.nlm.nih.gov/pubmed/3555054

CIPROFLOXACIN IS INADEQUATE FOR CHLAMYDIAL URETHRITIS
JWatch General 1990;1990:4-4. 
http://genmed.jwatch.org/cgi/content/full/1990/1002/4

Persistence of Chlamydia trachomatis Is Induced by Ciprofloxacin and Ofloxacin In Vitro.
Ute Dreses-Werringloer, Ingrid Padubrin, Barbara Jürgens-Saathoff, Alan P. Hudson, H. Zeidler and L. Köhler. Department of Rheumatology, Hannover Medical School, Hannover, Germany and Department of Immunology and Microbiology, Wayne State University School of Medicine, Detroit, Michigan. 2000.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC90194/

<!-- End request -->
[[Special:Contributions/124.157.108.202|124.157.108.202]] ([[User talk:124.157.108.202|talk]]) 02:33, 16 September 2010 (UTC)

::Done. [[User:Jmh649|<span style="color:#0000f1">'''Doc James'''</span>]] ([[User talk:Jmh649|talk]] · [[Special:Contributions/Jmh649|contribs]] · [[Special:EmailUser/Jmh649|email]]) 03:38, 16 September 2010 (UTC)
::{{delisted}} <span style="text-shadow:grey 0.118em 0.118em 0.118em; class=texhtml">  '''[[User:Salvio giuliano|Salvio]]'''</span> [[User talk:Salvio giuliano| <sup>Let's talk 'bout it!</sup>]] 14:44, 16 September 2010 (UTC)

==Prevention==
Add a section on prevention. [[User:Jidanni|Jidanni]] ([[User talk:Jidanni|talk]]) 02:12, 12 July 2012 (UTC)

==Pronunciation==
Add the IPA pronunciation. Is it read "CLAM"-? [[User:Jidanni|Jidanni]] ([[User talk:Jidanni|talk]]) 02:12, 12 July 2012 (UTC)
:[[File:Yes check.svg|20px|link=|alt=]]  '''Done'''.  Sorry for the seven-year wait for this.  [[User:A loose necktie|A loose necktie]] ([[User talk:A loose necktie|talk]]) 02:11, 17 August 2019 (UTC)

== UK epidemiology ==

Chlamydial infection is the most common bacterial sexually transmitted infection in the UK. <ref>{{cite web|title=Chlamydia|url=http://www.hpa.org.uk/Publications/InfectiousDiseases/Factsheets/factChlamydia/|publisher=UK Health Protection Agency|accessdate=31 August 2012}}</ref>

{{reftalk}}

== misplaced sentence ==

"Chlamydial infection of the neck of the womb (cervicitis) is a sexually transmitted infection ... The infection can be passed through vaginal, anal, or oral sex."
Is this true? Infection of the cervix is systemic, affecting the mucus of the rectum, and so fucking her in the ass can pass the infection?  I think the sentence was misplaced from elsewhere in the article.[[Special:Contributions/98.111.146.18|98.111.146.18]] ([[User talk:98.111.146.18|talk]]) 10:16, 8 November 2012 (UTC)

== Semi-protected edit request on 14 January 2014 ==

{{edit semi-protected|<!-- Page to be edited -->|answered=yes}}
<!-- Begin request -->

Section: Epidemiology

Figure: Age-standardized '''death from chlamydia per 100,000 inhabitants''' in 2004

The bit "death from chlamydia per 100,000 inhabitants" is AWFULLY WRONG as the original data source clearly states it's DALYs and not deaths -DALY is "disability-adjusted life year"-

I'm asking the figure and references to be deleted as I fail to see how an editor might manage to get some useful, clear and short explanation using DALY to match the level of the article.

[English is not my first language]

<!-- End request -->
[[Special:Contributions/186.137.164.45|186.137.164.45]] ([[User talk:186.137.164.45|talk]]) 16:24, 14 January 2014 (UTC)
: caption fixed. -- [[User:Diannaa|Diannaa]] ([[User talk:Diannaa|talk]]) 00:59, 30 January 2014 (UTC)

== Online Screening in UK - Request for external link reinstatement. ==

{{edit semi-protected|answered=y}}
* [http://www.freetest.me/ Freetest.me] – Postal testing service in England, funded by the [[National_Health_Service_(England)|NHS]].
Hi, I think there should be a mention of and a link to [http://freetest.me.uk freetest.me] which is a service launched in 2008 in the UK to request free Chlamydia postal tests (home sampling lab tests). It's free and funded by the [[National_Health_Service_(England)|NHS]] and now tests over 100,000 patients annually. This would be relevant to UK visitors, and may be of interest to others.
[[User:Deggle|Deggle]] ([[User talk:Deggle|talk]]) 21:19, 26 October 2015 (UTC)
:[[File:Red information icon with gradient background.svg|20px|link=]] '''Not done:'''<!-- Template:ESp --> Wikipedia is not a directory or collection of links. While this may be useful for UK visitors, it would lead to needing to list the site(s) for every country that has such a program. -- [[User:Ferret|ferret]] ([[User_talk:Ferret|talk]]) 01:29, 27 October 2015 (UTC)
Given I believe it's the only large-scale postal screening service of it's nature in the world, I think it is notable internationally (even if it's only available for the UK). There would be an argument for growth of remote screening of this nature to have a section or at least mention in itself. Around 5-10% of all UK screening (including those done in GUM clinics, GPs etc) are done via the freetest.me service. [[User:Deggle|Deggle]] ([[User talk:Deggle|talk]]) 22:08, 28 October 2015 (UTC)

== Semi-protected edit request on 8 November 2015 ==

{{edit semi-protected|Chlamydia infection|answered=yes}}
<!-- Begin request -->

==Screening==
For sexually active women who are not pregnant, screening is recommended in those under 25 and others at risk of infection.<ref name="AmFamPhys">{{cite journal | author = Meyers D, Wolff T, Gregory K. | year = 2008 | title = USPSTF Recommendations for STI Screening | url = http://www.aafp.org/afp/20080315/819.html | journal = Am Fam Physician | volume = 77 | issue = 6| pages = 819–824 |display-authors=etal}}</ref> Risk factors include a history of chlamydial or other sexually transmitted infection, new or multiple sexual partners, and inconsistent [[condom]] use.<ref name="USPSTF">{{cite journal | author = U.S. Preventive Services Task Force | title = Screening for chlamydial infection: U.S. Preventive Services Task Force recommendation statement | journal = Ann Intern Med | volume = 147 | issue = 2 | pages = 128–34 | year = 2007 | pmid = 17576996 | doi = 10.7326/0003-4819-147-2-200707170-00172 | url = http://www.ahrq.gov/clinic/uspstf07/chlamydia/chlamydiars.htm }}</ref> The Faculty of Sexual and Reproductive Healthcare (FSRH) Clinical Guidance recommends that 100% of women attending for emergency contraceptive are offered the opportunity for Chlamydia testing, because studies showed up to 9.1% of women aged <25 years presenting for emergency contraceptive had Chlamydia trachomatis.{{cite journal | author = Yeung E, Comben E, McGarry C, Warrington R. | year = 2015 | title = STI testing in emergency contraceptive consultations | url = http://bjgp.org/content/65/631/63.1 | journal = British Journal of General Practice | volume = 65 | issue = 631 | pages = 63 | pmid = 25624285 | doi = 10.3399/bjgp15X683449}}</ref>

<!-- End request -->
{{Reflist-talk}}
[[User:Wongplusma|Wongplusma]] ([[User talk:Wongplusma|talk]]) 04:46, 8 November 2015 (UTC)
::Thanks [[User:Wongplusma]] and addeed. [[User:Doc James|<span style="color:#0000f1">'''Doc James'''</span>]] ([[User talk:Doc James|talk]] · [[Special:Contributions/Doc James|contribs]] · [[Special:EmailUser/Doc James|email]]) 05:03, 10 November 2015 (UTC)

== Semi-protected edit request on 26 April 2016 ==

{{edit semi-protected|Chlamydia infection|answered=yes}}
<!-- Be sure to state UNAMBIGUOUSLY your suggested changes; editors who can edit the protected page need to know what to add or remove. Blank edit requests WILL be declined. -->
<!-- Begin request -->
Please change "Chlamydia can be transmitted during vaginal, anal, or oral sex. Chlamydia can also be passed from an infected mother to her baby during vaginal childbirth." To "Chlamydia can be transmitted during vaginal, anal, or oral sex. Chlamydia can also be passed from an infected mother to her baby during vaginal childbirth. This can cause an eye infection or pneumonia in the new born. Having chlamydia may also make it more likely to deliver the baby too early." http://www.cdc.gov/std/Chlamydia/STDFact-Chlamydia.htm
<!-- End request -->
[[Special:Contributions/173.168.8.203|173.168.8.203]] ([[User talk:173.168.8.203|talk]]) 22:21, 26 April 2016 (UTC)
*{{done}} Thanks! [[User:Omni Flames|<span style="color:blue; font-family:Segoe UI; text-shadow:1px 1px 1px #CC4E5C">Omni Flames</span>]] <sup>'''[[User_talk:Omni Flames|<span style="color:#00B88A;">let's talk about it</span>]]'''</sup> 23:48, 26 April 2016 (UTC)

== Semi-protected edit request on 26 June 2016 ==

{{edit semi-protected|Chlamydia infection|answered=yes}}
<!-- State UNAMBIGUOUSLY your suggested changes. Other editors need to know what to add or remove. Blank edit requests will be declined. -->

In “Prevention” (in the intro, before the table of contents), I would like to change “having sex with one other person who is not infected” to “only having sex with people that are not infected”. The way it is currently written makes it sound as if having sex with a non-infected partner magically protects you.

<!-- Write your request ABOVE this line and do not remove the tildes below. -->
[[Special:Contributions/178.83.188.253|178.83.188.253]] ([[User talk:178.83.188.253|talk]]) 22:41, 26 June 2016 (UTC)
:[[File:Red information icon with gradient background.svg|20px|link=]] '''Not done for now:'''<!-- Template:ESp --> I see what you're saying, but the sentence does make sense. If you only have sex with one other person who is not infected, then you won't get chlamydia. So it's not magical, but true. If the only person you are having sex with is not infected, then you won't get chlamydia. [[User:Sir Joseph|Sir Joseph]] [[User_talk:Sir Joseph|<sup style="color:green;">(talk)</sup>]] 16:31, 30 June 2016 (UTC)

::But to say "only have sex with '''people''' who are not infected" is equally as true. Having sex with ''one'' uninfected person is no safer than having sex with ''multiple'' uninfected persons. The current implication is that one uninfected partner is safer than many uninfected parterns, which isn't true. Limiting it to "one person" is an unnecessary restriction, like saying you will lower your risk of HIV if you wear a condom during sex ''and'' sing the Macarena before doing it. I mean, it's still ''true''... [[Special:Contributions/46.254.248.170|46.254.248.170]] ([[User talk:46.254.248.170|talk]]) 22:04, 29 July 2016 (UTC)]

:::You are, of course, correct. The current wording does seem to bizarrely imply that having sex with just one uninfected partner is somehow magically safer than any other number of uninfected partners. My understanding is that the wording is derived from the [http://www.cdc.gov/std/chlamydia/stdfact-chlamydia.htm CDC ref] which answers the question "How can I reduce my risk of getting chlamydia?" by saying you can either use condoms correctly or "Being in a long-term mutually monogamous relationship with a partner who has been tested and has negative STD test results". So in a sense our source does say that you can reduce your risk by having sex with just one person who is uninfected. It should be easy to find a ref that says more generally what you're proposing. I'll poke around. If not, perhaps we could change it anyway on the grounds that it's obviously implied by the reference? Thoughts? [[User:Ajpolino|Ajpolino]] ([[User talk:Ajpolino|talk]]) 01:46, 4 August 2016 (UTC)
::::I agree that this is worded rather wrongly, as if any other combination isn't possibly safe. To be blunt, it almost sounds as if someone is pushing for monogamy rather than trying to actually state methods of prevention. [[User:Odin Vex|Odin Vex]] ([[User talk:Odin Vex|talk]]) 23:46, 4 November 2022 (UTC)

== Distinction between LGV and Chlamydia ==

I know that both Chlamydia infection and Lymphogranuloma venerum are both caused by Chlamydia trachomatis, and I know they are separate diseases. If I remember right it is because of a difference in serotypes, but it is not clear in the article. I was wondering if someone who knows the topic better can flesh that part out.  Thanks,  [[User:D.c.camero|D.c.camero]] ([[User talk:D.c.camero|talk]]) 17:48, 11 February 2018 (UTC)
:It is written in [[Chlamydia_trachomatis]]. [[User:Ruslik0|Ruslik]]_[[User Talk:Ruslik0|<span style="color:red">Zero</span>]] 20:35, 22 May 2018 (UTC)

== Requested move 2 August 2019 ==
<div class="boilerplate" style="background-color: #efe; margin: 0; padding: 0 10px 0 10px; border: 1px dotted #aaa;"><!-- Template:RM top -->
:''The following is a closed discussion of a [[Wikipedia:Requested moves|requested move]]. <span style="color:red">'''Please do not modify it.'''</span> Subsequent comments should be made in a new section on the talk page. Editors desiring to contest the closing decision should consider a [[Wikipedia:move review|move review]] after discussing it on the closer's talk page. No further edits should be made to this discussion. ''

The result of the move request was: '''Moved''' per consensus. <small>([[Wikipedia:Requested moves/Closing instructions#Non-admin closure|non-admin closure]])</small> – [[User:Ammarpad|Ammarpad]] ([[User talk:Ammarpad|talk]]) 11:37, 9 August 2019 (UTC)
----

[[:Chlamydia infection]] → {{no redirect|Chlamydia}} – The namespace [[gonorrhea infection]] redirects to [[Gonorrhea]]  (because the condition of being infection with gonorrhea is called "gonorrhea");likewise,  the namespace for [[HIV infection]] is a redirect to the article on [[HIV/ AIDS]]; we do not have an article called [[syphilis infection]], we have one called [[syphilis]]; we do not have an article called [[Polio infection]], we have one called [[Polio]].  I think that the "infection" part is a kind of unnecessary disambiguation and should simply be dropped.  I haven't seen any substantive discussion of this on the talk page, but prefer opening up a discussion rather than simply moving the article myself. [[User:A loose necktie|A loose necktie]] ([[User talk:A loose necktie|talk]]) 11:13, 2 August 2019 (UTC)
*'''Support''' – Is practically always just called "Chlamydia" ([https://www.cdc.gov/std/stats17/chlamydia.htm][https://www.cdc.gov/std/chlamydia/stdfact-chlamydia.htm][https://www.who.int/en/news-room/fact-sheets/detail/sexually-transmitted-infections-(stis)]). Both [https://www.ncbi.nlm.nih.gov/pubmed/?term=%22Chlamydia+infection%22 "Chlamydia infection"] and [https://www.ncbi.nlm.nih.gov/pubmed/?term=%22Chlamydial+infection%22 "Chlamydia'''l''' infection"] are common in papers, but that works better in prose rather than as a standalone title, and they're often not using it as a common name for the infection, but rather talking about the genus, with italics and all: [https://bmjopen.bmj.com/content/4/2/e003947.long ''Chlamydia'' infection]. – '''[[User:Þjarkur|Thjarkur]]''' [[User talk:Þjarkur#|(talk)]] 15:31, 2 August 2019 (UTC)
*'''Support''' per [[WP:COMMONNAME]] and [[WP:CONCISE]]. [[User:Rreagan007|Rreagan007]] ([[User talk:Rreagan007|talk]]) 21:40, 2 August 2019 (UTC)
*This seems to be named this as a natural disambiguator to differentiate from [[Chlamydia (genus)|''Chlamydia'' (genus)]]. --[[User:NessieVL|Nessie]] ([[User talk:NessieVL|talk]]) 12:45, 3 August 2019 (UTC)
::*The thing is, if we agree that "chlamydia" (the word for the illness) is the [[WP:PRIMARYTOPIC]] for this word (meaning that people typing in "chlamydia" are mostly looking for the illness rather than the genus) then we aught to have this article ''at'' the namespace they are seeking (i.e., "Chlamydia") without the disambiguator in the title (we can have a hatnote for that in the beginning of the article).  [[User:A loose necktie|A loose necktie]] ([[User talk:A loose necktie|talk]]) 05:16, 4 August 2019 (UTC)
:*This is clearly the primary topic, as "Chlamydia" already redirects here. [[User:Rreagan007|Rreagan007]] ([[User talk:Rreagan007|talk]]) 17:26, 3 August 2019 (UTC)
*'''Support''' per [[WP:COMMONNAME]]. --[[User:Tom (LT)|Tom (LT)]] ([[User talk:Tom (LT)|talk]]) 04:55, 7 August 2019 (UTC)
----
:''The above discussion is preserved as an archive of a [[Wikipedia:Requested moves|requested move]]. <b style="color:red">Please do not modify it.</b> Subsequent comments should be made in a new section on this [[Help:Using talk pages|talk page]] or in a [[Wikipedia:Move review|move review]]. No further edits should be made to this section.''<!-- Template:RM bottom --></div>

== Repeated references ==

This article has multiple paragraphs where several sentences in a row all have the same reference at the end. This is unnecessary - one reference can apply for several consecutive sentences, as [[WP:CITEDENSE]] makes clear. It also makes the text very uninviting to read, constantly and unnecessarily punctuated with those reference links. I attempted to correct one paragraph, only to have a user undo me. How do others feel about this use? --[[User:NatGertler|Nat Gertler]] ([[User talk:NatGertler|talk]]) 01:41, 20 September 2019 (UTC)

== spelling error in intro ==

The third sentence of the introduction now reads: "When symptoms do appear '''in''' can be several weeks after infection". The "in" should of course be "it". [[Special:Contributions/77.164.133.132|77.164.133.132]] ([[User talk:77.164.133.132|talk]]) 15:35, 6 July 2020 (UTC)
:Fixed, thanks. --[[User:NatGertler|Nat Gertler]] ([[User talk:NatGertler|talk]]) 15:53, 6 July 2020 (UTC)

== Chlamydia (Sign and Symptoms) ==

The intro mentioned 50-70 percent of women don't have any symptoms. One paragraph below that, "Silent epidemic" because 70_80 percent are asymptomatic. (Inconsistent)

Urinary urgency: urge to urinate more than often?  
Urge to urinate( urgency)
Urinate more than often (frequency) [[User:Professor Fox &#38; Dr B|Professor Fox &#38; Dr B]] ([[User talk:Professor Fox &#38; Dr B|talk]]) 10:27, 28 December 2020 (UTC)

== Long-lasting immunity from infection? Maybe 88% protection. // Transmission probability for each intercourse? Maybe 4.5% risk. ==

https://sti.bmj.com/content/87/Suppl_1/A175.2

July 2011.

Title: 
P1-S5.02 Towards more robust estimates of the per sex act transmission probability of Chlamydia trachomatis 

Results: 
The data showed similar proportions of infected female partners of infected men and infected male partners of infected women, suggesting similar transmission probabilities. Assuming an '''average infectious duration of 12 months for women and men''', we obtained best-fit estimates for the transmission rate (0.0064 per day) and average duration of partnerships (6.0 months) in the study. The transmission rate per day corresponds to a '''per sex act transmission probability of 4.5%''', assuming one unprotected episode of coitus per week in a partnership. Our analysis also shows that these estimates depend on the assumed infectious duration of chlamydia.

...

https://sti.bmj.com/content/95/2/115

March 2019.

Title: Does infection with Chlamydia trachomatis induce long-lasting partial immunity? Insights from mathematical modelling 

Results:
Partial immunity against reinfection was found necessary to explain observed C. trachomatis prevalence patterns by age and sexual risk. The '''reduction in susceptibility to reinfection was estimated at''' 93% using UK data (95% uncertainty interval (UI)=88%–97%) and at 67% using US data (95% UI=24%–88%). The model-structure sensitivity analyses affirmed model predictions. The immunity-mechanism sensitivity analyses suggested a mechanism of susceptibility reduction against reinfection or a mechanism of infectious-period duration reduction upon reinfection.

Conclusions:
A strong long-lasting partial immunity against C. trachomatis reinfection should be present to explain observed prevalence patterns. The mechanism of immunity could be either a reduction in susceptibility to reinfection '''or a reduction in duration''' of infection on reinfection. C. trachomatis infection appears to naturally elicit a strong long-lasting immune response, supporting the concept of vaccine development.

...

STI / STD testing is probably never 100% accurate, so please retest some time later if you are in high risk.

--[[User:Ee1518|ee1518]] ([[User talk:Ee1518|talk]]) 21:25, 7 November 2021 (UTC)

== 'Prevention is by not having sex' ==

In other news, prevention of cholera is by not eating and prevention of covid is by not breathing. The description of prevention should include reasonable and likely measures, not absurdly exaggerated recommendations that the religious Right has formulated in hopes of scaring whatever teenager happens to read this page into never having sex and becoming a monk or a nun. --[[Special:Contributions/178.249.169.67|178.249.169.67]] ([[User talk:178.249.169.67|talk]]) 06:15, 28 January 2022 (UTC)

== Semi-protected edit request on 14 February 2022 ==

{{edit semi-protected|Chlamydia|answered=yes}}
{{subst:trim|1=
<!-- State UNAMBIGUOUSLY your suggested changes below this line, preferably in a "change X to Y" format. Other editors need to know what to add or remove. Blank edit requests will be declined. -->

Chlamydia can be spread during [[vaginal intercourse|vaginal]], [[anal sex|anal]], or [[oral sex]  

PLease remove the porn images from these descriptions.  They are highly offensive and not appropriate because there is no age restriction attached to wikipedia usage.  I look forward to your positive response. 


<!-- Write your request ABOVE this line and do not remove the tildes and curly brackets below. -->
}} [[User:GenevaJones|GenevaJones]] ([[User talk:GenevaJones|talk]]) 04:00, 14 February 2022 (UTC)
:[[File:Red information icon with gradient background.svg|20px|link=|alt=]] '''Not done for now:''' please establish a [[Wikipedia:Consensus|consensus]] for this alteration '''[[Wikipedia:Edit requests|before]]''' using the {{tlx|edit semi-protected}} template.<!-- Template:ESp --> Please see [[WP:NOTCENSORED]]. [[User:ScottishFinnishRadish|ScottishFinnishRadish]] ([[User talk:ScottishFinnishRadish|talk]]) 04:18, 14 February 2022 (UTC)

== Prevention ==

I think we should revert this [https://en.wikipedia.org/w/index.php?title=Chlamydia&diff=prev&oldid=981913987 edit], as the CDC explicitly mentions monogamous relationships, or if not changing it to another high quality source that mentions non-monogamous relationships. [[User:Uwsi|Uwsi]] ([[User talk:Uwsi|talk]]) 19:26, 26 February 2022 (UTC)
:I have reverted this change so the article matches the CDC reference, there was a discussion about this topic before, and there was no consensus to make this change anyway ([[Talk:Chlamydia#Semi-protected_edit_request_on_26_June_2016]]) [[User:Uwsi|Uwsi]] ([[User talk:Uwsi|talk]]) 04:19, 12 March 2022 (UTC)

== Chlamydia ==

Chlamydia, which originated in the body of a female known as Josie Greiner, is one of the most powerful STDs known to man. [[Special:Contributions/2600:1014:B131:2186:5A5:98E1:CBA:B658|2600:1014:B131:2186:5A5:98E1:CBA:B658]] ([[User talk:2600:1014:B131:2186:5A5:98E1:CBA:B658|talk]]) 00:41, 8 April 2022 (UTC)

:What the heck are you talking about? [[User:Tom950|Tom950]] ([[User talk:Tom950|talk]]) 21:51, 19 July 2023 (UTC)

==Wiki Education assignment: Plagues and People==
{{dashboard.wikiedu.org assignment | course = Wikipedia:Wiki_Ed/University_of_Oklahoma/Plagues_and_People_(Fall) | assignments = [[User:60shots|60shots]] | reviewers = [[User:Brownpaylon7|Brownpaylon7]], [[User:Cardiothoracics|Cardiothoracics]] | start_date = 2023-08-22 | end_date = 2023-12-11 }}

<span class="wikied-assignment" style="font-size:85%;">— Assignment last updated by [[User:Mbl5581|Mbl5581]] ([[User talk:Mbl5581|talk]]) 17:00, 3 October 2023 (UTC)</span>

==Wiki Education assignment: Biology I from cells to organisms==
{{dashboard.wikiedu.org assignment | course = Wikipedia:Wiki_Ed/First_Nations_University/Biology_I_from_cells_to_organisms_(fall) | assignments = [[User:Shreya Prajapati|Shreya Prajapati]] | reviewers = [[User:Shreya Prajapati|Shreya Prajapati]] | start_date = 2024-09-05 | end_date = 2024-12-05 }}

<span class="wikied-assignment" style="font-size:85%;">— Assignment last updated by [[User:Shreya Prajapati|Shreya Prajapati]] ([[User talk:Shreya Prajapati|talk]]) 16:54, 22 October 2024 (UTC)</span>