Trump also tried to hide an adviser's positive test. "Don't tell anyone," the president allegedly told the person

Nearly four years after the postal anthrax attacks, the U.S. still looks alarmingly exposed to bioterrorism.

Granger tested positive for the respiratory disease after arriving in Washington, D.C.

A representative for HBO says Maher is fully vaccinated, and that he's feeling fine

The heroine of the great Mexican novelist's latest meets Frida Kahlo and Diego Rivera as she witnesses a century of Latin American history.

McDaniel tested positive for the virus on Wednesday, or a day before White House aide Hope Hicks tested positive

Forcing a family to prove their children's HIV status is "unlawful and immoral," says a local advocacy group

Headlines about a new "strain" sound scary — but scientists say context is key

Few people know about anal Pap smears, but what you don't know can cause cancer.

Mark Meadows also refused to talk to reporters at the hearing after they asked him to wear a mask

The self-described "sexual revolutionary" talks about how the industry should respond to the recent HIV outbreak

Writer Andrew Sullivan's pronouncements on AIDS and other gay issues made his personal life fair game.

Ivanka Trump has an ambitious agenda for her father's administration — but "Daddy Whisperer" isn't an official role

Key lies in giving women the control over preventing infection, particularly in developing countries