wikipedia维基百科的关于HIV感染几率

negtive-hiv · 发表于 2013-1-30 12:09:48

Average per act risk of getting HIV
by exposure route to an infected source

Exposure Route	Chance of infection
Blood Transfusion	90% [24]
Childbirth (to child)	25%[25]
Needle-sharing injection drug use	0.67%[24]
Percutaneous needle stick	0.30%[26]
Receptive anal intercourse*	0.04–3.0%[27]
Insertive anal intercourse*	0.03%[28]
Receptive penile-vaginal intercourse*	0.05–0.30%[27][29]
Insertive penile-vaginal intercourse*	0.01–0.38% [27][29]
Receptive oral intercourse*§	0–0.04% [27]
Insertive oral intercourse*§	0–0.005%[30]
* assuming no condom use § source refers to oral intercourse performed on a man

血液传输 90%
母婴传播 25%
共针头注射毒品0.67%
针头刺穿皮肤 0.30%
接受肛交者 0.04-3.0%
肛交插入者0.03%
阴道交接受者  0.05-0.30%
阴道插入者0.01-0.38%
口交接受者（嘴）  0-0.04%
口交插入者（penis） 0-0.005%

以上假设前提为没有使用安全套。口交概率的假设前提是，对男人使用口交。