Daily drug shown effective in preventing HIV infections
Additional preexposure prophylaxis options now under development
AT RISK Recent studies have found that Truvada, a drug to prevent HIV infection in people at risk of exposure to the virus, is effective when taken daily.
© EPA European Pressphoto Agency B.V./Alamy Stock Photo
After a decade of controversy and halting progress, preexposure prophylaxis may finally be about to take its place in the vanguard of AIDS prevention.
In September, for the first time, the World Health Organization expanded the population recommended for this option, which involves taking daily doses of antiviral medication. If a person is exposed to HIV, the drugs should defeat the virus before it establishes a permanent foothold.
