New HIV infections hit young hard in U.S.

More than a quarter of new HIV infections in the U.S. occur among people ages 13 to 24, according to a report released Tuesday by the Centers for Disease Control and Prevention. About 60 percent of those young people with HIVdon’t even know they have the virus.

According to the CDC, about 12,200 young Americans became infected with HIV in 2010, with African-Americans representing more than half of those newly infected. Young gay and bisexual people were also hit particularly hard.