risk of HIV transmission per exposure from a known HIV - positive individual not on ART
Last edited 03/2018
risk of HIV transmission per exposure from a known HIV-positive individual not on ART (Anti-retroviral therapy)
type of exposure |
estimated risk of HIV transmission per exposure from a known HIV-positive individual not on ART |
|
receptive anal intercourse |
1 in 90 |
|
receptive anal intercourse with ejaculation |
1 in 65 |
|
receptive anal intercourse no ejaculation |
1 in 170 |
|
insertive anal intercourse |
1 in 666 |
|
insertive anal intercourse not circumcised |
1 in 161 |
|
insertive anal intercourse and circumcised |
1 in 909 |
|
receptive vaginal intercourse |
1 in 1000 |
|
insertive vaginal intercourse |
1 in 1,219 |
|
semen splash to eye |
<1 in 10,000 |
|
receptive oral sex (giving fellatio) |
< 1 in 10,000 |
|
insertive oral sex (receiving fellatio) |
< 1 in 10,000 |
|
blood transfusion (one unit) |
1 in 1 |
|
needlestick injury |
1 in 333 |
|
sharing injecting equipment (includes chemsex) |
1 in 149 |
|
human bite |
< 1 in 10,000 |
Reference:
prescribing Post-Exposure Prophylaxis Following Sexual Exposure (PEPSE)