Until Now
MedicineBiologyLaw

A twice-yearly injection that prevents HIV

Trials show complete protection, and the question becomes price.

When
Known to
± 12 hours
Era
Contemporary, Holocene

Results announced in June 2024 showed lenacapavir prevented every infection among more than 2,000 young women in South Africa and Uganda. Approved for prevention in the United States in June 2025, it requires two injections a year rather than a daily pill. Generic licensing deals aim at two dollars a month for low-income countries, against a list price above 28,000 dollars a year.

Just before

Just after