FDA panel backs new HIV prevention drug Descovy.

A Gilead Sciences, Inc. office is shown in Foster City, California, U.S. May 1, 2018. (REUTERS/Stephen Lam)

An FDA advisory panel on Wednesday voted in favor of Gilead Sciences Inc’s combination drug to reduce the risk of sexually acquired HIV infection in men and transgender women who have sex with men.

The treatment, Descovy, is a combination of…