HIV is spreading rapidly among U.S. youth.
D000293:Adolescent; D016497:Adolescent Health Services; D000328:Adult; D018562:Disease Transmission, Infectious / Q000517:prevention & control*; D005260:Female; D015658:HIV Infections / Q000401:mortality / Q000635:transmission*; D006266:Health Education; D006801:Humans; D008297:Male; D014481:United States / Q000453:epidemiology