Why is it low risk to get infected with HIV by having unprotected oral sex?

See details. Oral sex is less risky because it does not provide a direct entry into the bloodstream. However, the risk is not zero and it is estimated that 3% of HIV cases are due to oral sex. Any cuts, lesions or even bleeding gums provide an entry of the virus into the bloodstream.

Related Questions

If somenody get infected with HIV today, can he pass the virus after 3 days to somebody else with protected sex, and unprotected oral sex?

Yes. But this depends upon what type of oral sex you are referring to. If there is ejaculation of semen to the area behind the tongue transmission is a major risk. If this is cunnilingus then it is unlikely. Protected sex is protected but not 100%. Viral loads may be quite high in early stages of HIV infection. Read more...