Pharmaceutical company Gilead Sciences announced Wednesday the Food and Drug Administration (FDA) has approved its six-month, twice-yearly HIV PrEP injection, which was found in trials to be more than 99.9 percent effective among participants.

Gilead's product Yeztugo, a form of lenacapavir, was approved for reducing the risk of sexually acquired HIV in adults and adolescents when injected twice a year. Lenacapavir is also marketed as Sunlenca, administered orally or through injection, as a treatment for HIV/AIDS in combination with other drugs. The drug is solely manufactured by Gilead.

There are currently three available HIV PrEP options: two oral pills taken daily — Truvada........

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