D’après une compilation de sources trouvées sur Wikipédia :
(http://en.wikipedia.org/wiki/HIV/AIDS#Transmission)
Average per act risk of getting HIV by exposure route to an infected source :
Blood Transfusion 90%
Childbirth (to child) 25%
Needle-sharing injection drug use 0.67%
Percutaneous needle stick 0.30%
Receptive anal intercourse* 0.04–3.0%
Insertive anal intercourse* 0.03%
Receptive penile-vaginal intercourse* 0.05–0.30%
Insertive penile-vaginal intercourse* 0.01–0.38%
Receptive oral intercourse*§ 0–0.04%
Insertive oral intercourse*§ 0–0.005%
* assuming no condom use
§ source refers to oral intercourse performed on a man
Les chiffres se basent sur des études publiées relativement récemment, de 2004 à 2010.
Notamment : Boily, MC; Baggaley, RF; Wang, L; Masse, B; White, RG; Hayes, RJ; Alary, M (2009 Feb). « Heterosexual risk of HIV-1 infection per sexual act: systematic review and meta-analysis of observational studies. ». The Lancet infectious diseases 9 (2): 118-29. PMID 19179227
