and sexual risk behaviour according to different casual partnership types among MSM: the study of one-night stands and sex buddies.
The value of serosorting
in HIV prevention remains controversial, but HIV-serosorting
clearly does nothing to protect an HCV-negative sex partner from hepatitis viruses.
Do men who have sex with men use serosorting
with casual partners in France?
is associated with a decreased risk of HIV seroconversion in the EXPLORE Study Cohort.
may lower the risk of picking up HIV infection, it does not cut the risk of picking up a new STI.
Hence it is also important to provide MSM with accurate information regarding the effectiveness of other means of HIV risk-reduction employed here, including serosorting
, strategic positioning and HIV treatment.
Higher blood and seminal HCV viral loads (3) among HIV-infected MSM could increase the likelihood of sexual transmission, particularly in sexual networks with a high prevalence of HIV serosorting
A mathematical model of HIV transmission dynamics with data from a 2003 study of 400 MSM in Seattle, Washington, showed that predicted population-level HIV prevalence as well as an individual's risk of acquiring HIV decreases when the odds of serosorting
A move toward serosorting
following acute HIV diagnosis: part 1 of 4 on findings from the NIMH Multi-site Acute HIV Infection Study.
The increasing number of infections in young men could be linked to some "shifting from always using condoms as a primary risk reduction strategy to non-condom strategies, such as serosorting
," which involves picking sex partners based on HIV status, said Richard Wolitski, the CDC acting director for HIV/AIDS.
, men who know they are HIV positive modify their behavior depending on their partner's HIV status, such that they have sex only with other men who are positive, or always use a condom when having sex with a negative partner, or ensure that the positive partner is always the receptive partner when having anal sex with a negative partner because of the perceived lower risk of transmission.
This practice of serosorting
relies on men having been tested for HIV, and testing regularly.