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Q. What are the chances of acquiring HIV infection?

Answered by
Dr. Ravinder Kaur Sachdeva
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Jun 05, 2017

Hi doctor,

I am a 28 year old male, and a couple of months ago, I had availed an escort service. Ever since, I have been worrying all the time about possible HIV infection. I feel little embarrassed writing about all this. Please excuse if you find any content of my note below unwarranted. I will try to describe the experience in as much detail as possible. She appeared hygienic, and had a clean skin all over and seemed to be of good health. We had vaginal intercourse three times on that occasion. Each lasted not more than five minutes. We did it in a single position all three times, that is, the woman on top. I did not ejaculate at all. She neatly put on the condom, which I believe was a latex one, every time. I did not notice how she removed it after each act. However, I did not hear the condom rupture or tear.

Even if the condoms had failed, there was no such expression or reaction from her to that effect. I also do not think the condoms had slipped off totally, but it could have slid upwards at times during the act, but I am not sure though. I am uncircumcised by the way, and I have read quite a lot about HIV symptoms, which are similar to the flu. However, I did not have any such symptoms so far, at least nothing noticeable. At some places on the net, I found that 50 % people infected with HIV show symptoms, while at some places they say 80 %. Also, some say symptoms appear within four weeks from exposure, while some say it can appear up to eight weeks also. What are the exact figures for these, please? I have a small penis, 3.5 to maximum 4 inches when erect, and we had intercourse in a single position as I said above. Can it be implied that the risk was very low in such a case? I understand the foreskin retracts during the act exposing its inner surface. Given the size of my penis, did the condom had a higher chance to slide upwards to a vulnerable level? So far I recall, there was no fitting issue.

Through which area in the penis does HIV enter? Some say it enters through the glans, some through the opening at the tip, some say through the gap between glans and foreskin, and some say through the foreskin itself. Kindly clarify. Is it easy for HIV to cause infection once it enters through any of the above or does the body’s system resist and kill the virus at times? I have read the chance of one catching HIV is 1 in 263. What does this effectively imply? I know the only way to determine HIV is by doing a test. However, right now I definitely cannot have any such test done due to certain reasons. In the absence of the test, if you could reply with clear and specific answers to the above queries, it will help calm me to a great extent. Thank you so much for your patience and time.

Dr. Ravinder Kaur Sachdeva

HIV/AIDS Specialist


Welcome to

The answers to your queries are:

  • An estimated 40 to 90 % of patients with acute HIV (human immunodeficiency virus) infection will experience acute retroviral syndrome, which includes fever, lymphadenopathy, pharyngitis, skin rash, myalgia, arthralgia, etc. These symptoms appear within 2 to 4 weeks after infection with HIV.
  • The risk and vulnerability are dependent on the type of exposure, sexual act, whether anal, vaginal or oral sex, the presence of concomitant sexually transmitted infections, HIV viral load of the source, whether receiving antiretrovirals or not, circumcised or uncircumcised.
  • If the condom had been used consistently and correctly, changed for each act, there was no break or it did not slip, the chances of acquisition of HIV or any other STDs (sexually transmitted diseases), in this case, will be non-existent.
  • After the vaginal fluid containing HIV comes in contact with a mucous membrane and cell layer, HIV can travel across the cell layer and enter the body on its own. The presence of STDs can lead to sores or breaks in the mucous membrane. Tears caused by friction during the act ease the viral entry.
  • The penile urethra or the foreskin is routinely targeted by viral and bacterial pathogens and also represent the probable site of viral entry. During the heterosexual intercourse, the foreskin is pulled back down the penile shaft and the whole inner surface of the foreskin is exposed to vaginal secretions, which provides a larger area where HIV transmission could take place.
  • Whenever any foreign substance enters the body, the immune system is activated, but in HIV there is a progressive loss of helper cells, which eventually results in the complete inability of our body to ward off even the weakest of the organism which is normally not a problem to us. The risk is 5 out of 10,000 exposures.
  • Yes, you are right, getting tested is the only way to know whether there is HIV infection or not. These days, highly sensitive and specific tests like rapid HIV test kits are available, which gives an accurate result.

Hope your queries are answered, but if you have any other question, please do not hesitate to ask.

For further queries consult an HIV AIDS specialist online -->

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Hi doctor,

Thank you for the prompt response. I wish to understand a little more, please. Regarding your reply to my question, I actually wanted to know if HIV infection is always caused once the virus passes through the skin or it is caused at sometimes only because the immune system fights it off? Regarding the risk of 5 out of 10,000 exposures mentioned by you, I have two queries. I have read this rate is applicable for high-income countries. Is it applicable for my country as well? What does this rate exactly signify? Does it mean that HIV infection has the chance of occurring only five times if the virus comes in contact with the penile opening or foreskin 10,000 times? In that case, it appears to be an extremely rare possibility. I have also read that once a person is infected, he or she will have some visible signs always like, persistently swollen lymph nodes, clubbed or curved nails, etc. Is this correct? I would also request you to share what you feel about the possibility of my having contracted HIV, based on the circumstances described. I know I cannot expect a diagnosis, but a general assurance based on the circumstances will also help in a big way. Thank you.

Dr. Ravinder Kaur Sachdeva

HIV/AIDS Specialist


Welcome back to

  • Yes, the chances of acquiring HIV is only 5 out of 10,000 exposures. And there are no HIV diagnostic symptoms or signs.
  • As the condom was not changed for each act, it is better you get tested, whenever possible.

Best wishes.

For more information consult an HIV AIDS specialist online -->

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Related Questions:
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