A single shot every two months prevents H.I.V. better than the most commonly used daily pill, Truvada, researchers reported on Tuesday.
At the moment, Truvada and Descovy, made by Gilead Sciences, are the only drugs approved by the Food and Drug Administration for prevention of H.I.V.
infection, a strategy called PrEP. Gilead has heavily been criticized for setting a high price for the pills. Additional options for prevention are sorely needed, to say nothing of a cure.
About 1.7 million people became infected with H.I.V. in 2019, bringing the global total to 38 million. Many people are unable or unwilling to take a daily pill to prevent H.I.V.