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Quarter of Swiss gay men using serosorting, strategic position or withdrawal to reduce their HIV risk

Stress increases HIV risk for gay men

PrEP could reduce condom use by some gay men

HIV counselling increases condom use in TB patients

HIV fall in Zimbabwe due to deaths and behaviour change, not migration

What happens to people who become HIV positive in prevention trials?

Microbicides: the quest for user-friendly formulations

Treatment and PrEP could be on a ‘collision course’, warns resistance expert

New WHO treatment criteria could prevent 90% of vertical transmission