Many HIV-infected youth are unaware

About 60 percent of teens and young adults with HIV, the virus that causes AIDS, have no idea that they're infected, according to a report released Tuesday by the Centers for Disease Control and Prevention.

Young people ages 13 to 24 account for more than a quarter of the 50,000 new HIV infections each year, the CDC says. About 1.2 million Americans have HIV or AIDS.

"That so many young people become infected with HIV each year is a preventable tragedy," CDC Director Thomas Frieden said.Test everyone ...