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Male Circumcision and HIV

Queereka recently received a comment through our “contact us” portal asking us to weigh in on this video https://www.youtube.com/watch?v=NwX5zfC0hgc about the recent evidence that’s been uncovered that HIV transmission can be reduced by circumcision and this article as a possible rebuttal to the point. The commenter further worried that “This is bad on many levels because it could also filter back to the gay community here in the US. I’ve heard guys tell me they’re safe because they always top or that they’re safe because they’re circumcised before and we’ll likely see a wave of that again.” To examine whether or not these fears are founded let’s examine how these claims fair when held against the scientific literature.

Does circumcision have an impact on HIV transmission? Yes. A series of three randomized clinical trials carried out in South Africa, Kenya and Uganda indicated that the HIV transmission rates for female to male transmission were reduced by between 50-60 percent. Further studies have replicated these findings and the meta-analysis of the studies (the statistical assessment of the findings of multiple studies) confirmed this risk reduction. The prevailing hypotheses are that the increased keratinization of the glans creates an inhospitable environment for the virus and that immune cells known as Lagrans cells, may serve as hosts. Removing the foreskin removes the initial host, reducing the risk of infection. In response, the WHO has called for male circumcision to be included as a strategy in the fight against HIV. However these recommendations apply only to regions where HIV infection rates among male heterosexuals are at or above 15% and the circumcision rate is below 20%. In response, many African nations, including South Africa and Kenya, have begun voluntary, mass, male circumcision programs.

You may have noticed that I emphasized female-to-male transmission. The few studies that have addressed this issue have not found evidence that male-to-female transmission is reduced in circumcised men. There is also no evidence to suggest that circumcision prevents male-to-male transmission, especially in penetrative sex. This makes sense given that the vectors male-to-female and male-to-male transmission are semen and pre-ejaculate. Circumcision doesn’t impact Semen and pre-ejaculate production which means that there is no benefit on an individual level to the penetrated partner. That’s problematic as transmission from men to women is about 2 times higher than the reverse. There is, however, a potential benefit for women and MSM if the levels of circumcision are high enough to confer “herd immunity” status on uninfected males, thus reducing the risk of transmission but this is a clinical and epidemiological picture that’s yet to appear.

Voluntary mass circumcision programs and circumcision as a strategy are not without controversy, ethical concerns or cost. The biggest problem, which I’ve already touched on, is that circumcision does nothing to prevent HIV transmission from an infected male to an uninfected partner and may also drive an increase in male-to-female transmission due to an increase in unprotected or multiple-partner sex. Marketing may also lead people to the erroneous conclusion that circumcised men directly protect women from HIV and other STIs. If adult circumcision is to be protective it must go hand-in-hand with HIV testing to eliminate HIV positive men from the circumcised pool to receive other medical attention. Finally, if circumcision is to be effective it must be carried out in a safe, medical setting. This presents a cost challenge to widespread circumcision efforts because of poor, rural healthcare coverage. This problem that has led some experts to call for increased reproductive health education and condom use as pro-circumcision zeal grows.

There are also cultural concerns at play. Male circumcision is thought to be most protective for men when they are circumcised in infancy, before the HIV infection. Informed consent and anti-circumcision advocates hold that this violates consent because an infant cannot consent to an optional, irreversible surgery. Circumcising infants would also only have an impact on the HIV epidemic more than a decade after circumcision which would not help prevent transmission now. Infant circumcision would also change the cultural context of circumcision for many African ethnic groups who currently practice it as a rite of passage into adulthood. It may not be tolerable for certain ethnic groups to change the meaning of the act of circumcision from a socio-religious one to a strictly medical one. Furthermore boys who undergo circumcision as a rite of passage are encouraged to have sex soon afterwards, often with sex workers to facilitate the transition. Intercourse with an unhealed, circumcised penis is riskier than circumcised sex because the virus has the opportunity to get into the bloodstream. The increase in pro-circumcision sentiment may also have a the spillover onto female genital mutilation. As the drive for male circumcision grows it may follow that the demand for female circumcisions will grow in the absence of evidence of any medical benefit whatsoever.

None of what I’ve said touches on the sensitive politics of circumcision in general and that’s intentional. This article isn’t about the body integrity debate so much as it is about what has been discovered about circumcision and when it is appropriate. In the US a mass circumcision strategy would be at best expensive and impractical due to the lower prevalence of HIV in the general public. 71% of HIV transmissions are between men who have sex with men which has been shown to not be protective by current studies. This is why the CDC and FDA have not called for mass circumcision in the US, opting for PrEP instead. In short, if you are a straight man who is HIV negative that lives in an area where you can safely get a circumcision in a region with high incidence rates of HIV then a circumcision might be a way to keep yourself safe from HIV and HIV only. You should probably still use condoms and refrain from sowing your wild oats across the countryside. If you live in the USA circumcision is not going to protect you from HIV and you should practice safe sex. If you’re a man who likes other men and you live in the USA circumcision is still not going to help and you should consider going on PrEP and safe sex. Circumcision is a valuable tool in the fight against HIV but it’s no magic bullet and has some large limitations. Practicing safe sex is cheaper and more reasonable for most people in developed nations

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Vince Gabrielle

Vince Gabrielle

Vince is a recent graduate trying to get a goddamn job that pays the bills. He's working on a super secret project FOR SCIENCE! He is not (in order) awake, a bricklayer, fierce, or Ongwe Ias: Eater of Men. Ask him about science, fish, role-playing games, kink, fiction writing, or graduate school.


  1. August 12, 2014 at 7:29 pm —


    This is interesting. It says those three randomized ‘controlled’ (not really, since the intervention group got as many condoms as they wanted, while the control group was given no education in safer sex practices, and the trials were terminated early because the author concluded it would not be ethical not to circumcise them) trials can’t work.

    How do we know infant circumcision is more effective than adult circumcision? You can’t tell me you’ve done an ongoing 40+ year trial.

    And why can’t we just give Africans condoms?

    And this is very interesting, considering the pro-circumcision club has a history of citing sources connected directly to Quaintance.

    (My first experience with the ‘circumcision prevents AIDS’ meme came from Quaintance on a skeptic forum. Everyone agreed he was a pedophile back then.)

    • August 12, 2014 at 9:08 pm —

      I honestly can’t say that I’ve looked into all of the methodology of all of the trials and I in no way am responsible for their conclusions. I also don’t understand why you would bring up an unnamed, alleged pedophile or to a child abuse scandal. Neither of those things are relevant to the issue. If you read the article you’d know I cited sources critical of the idea of VMMC and address some of their concerns.

      • August 14, 2014 at 3:27 pm —

        But that’s just it, if we don’t look at their methodology, then they’re really…no better than any other woo peddler.

        And yes, until earlier this year when Quaintance pled guilty to molesting two boys and two years after a guilty plea to a charge of possession of child pornography, men like Daniel Halperin and Brian Morris cited him uncritically in the lay press. So yes, he’s relevant.

        And the article I cited deflates the ‘circumcision prevents AIDS’ hypothesis, which used epithelial Langerhans cells, except…it’s a very harsh environment for HIV.

        So if you say methodological flaws are ‘irrelevant’, then I must wonder if you actually care about preventing HIV. What else is irrelevant? Mayhap the fact that statistically, the HIV ratio between circumcised and uncircumcised men in various countries in sub-Saharan Africa, per the World Health Organization, is all over the map, suggesting no connection, is also irrelevant.

        FWIW, I once listened to a lecture by Stephen Lewis, who has been heavily involved in promoting circumcision. The lecture was allegedly about anthropogenic global warming and malaria; I say ‘allegedly’ because he spent approximately 55 minutes of the hour talking about circumcision and HIV.

  2. August 17, 2014 at 3:58 pm —

    “So if you say methodological flaws are ‘irrelevant’,” That is a laughable misrepresentation of what he said.

    • August 18, 2014 at 7:11 pm —

      Poisoning the well much?

      People who say they haven’t actually read the studies…yeah. The Lancet refused to publish one of those studies because of ethical concerns (not telling men who tested positive that they were positive). Meanwhile, they’re terminating studies early ‘because it would be unethical not to circumcise the men in the control group’ and expecting us to take them seriously. But6 the control group isn’t actually a control group, because the intervention group got condoms when the control group didn’t.

      There’s also the awkward implication that people thousands of years ago had the foresight to prevent a disease that wasn’t recorded until the 20th century.

      These days, you see circumcision proponents publishing more in low-impact journals. They’ll be back, though, no doubt with another flavor-of-the-week disease circumcision allegedly prevents.

      • August 18, 2014 at 9:02 pm —

        Nobody claimed that the people who invented circumcision did so to prevent HIV. Frankly discussing this with you is counterproductive as it’s clear that you have an agenda. Further comments by you will be ignored, incendiary comments will be trashed.

  3. September 19, 2014 at 11:36 pm —

    The African studies have been comprehensively debunked for methodological flaws & bias, & of course the meta-study is worthless because it relies on the same flawed data.
    If you’re interested in finding actual scientific data backing up the claim that male circumcision reduces the likelihood of HIV transmission via either het or gay sex, you’re out of luck because no such data exists. Such scientific as does exist doesn’t indicate any correlation between male circumcision & HIV transmission:
    TL;DR: Whether you’re gay, straight or bi, stick with condoms, because circumcision does nothing to stop HIV.

    • September 22, 2014 at 11:25 am —

      I didn’t find this study when I did my initial research. I’ll have to read it and publish a followup. Thank you.

      EDIT: The policy paper you cited was from 2003. The RTCs I cited were from 2007. Dates matter. This isn’t a debunking, this is an examination of the state of research as of 2003. This could not include the three studies in Kenya, Uganda and South Africa because those studies were currently ongoing. They say as much in the paper.

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