
Health officials say 1 in 5 new HIV infections occur in a tiny segment of the population - young men who are gay or bisexual.
The government on Tuesday released new numbers that spotlight how the spread of the AIDS virus is heavily concentrated in young males who have sex with other males. Only about a quarter of new infections in the 13-to-24 age group are from injecting drugs or heterosexual sex.
The Centers for Disease Control and Prevention said blacks represented more than half of new infections in youths. The estimates are based on...