Study: Large Percentage of Youth with HIV May Lack Immunity to Measles, Mumps, Rubella

Based on data gathered from more than 600 children and youth exposed to HIV in the womb, a study from NIH and CDC suggests that between one-third and one-half of individuals in the United States who were infected with HIV around the time of birth may not have sufficient immunity to ward off measles, mumps, and rubella, even though they may have been vaccinated against these diseases.