Key clinical point: Consider a booster measles vaccine dose in previously vaccinated teens and young adults with maternally acquired HIV infection.

Major finding: Only 7% of adolescents and young adults with vertically acquired HIV had protective IgG antibody against measles despite prior vaccination.

Study details: This is an interim analysis of protective antibody levels against measles in 81 previously vaccinated HIV-infected adolescents and adults.

Disclosures: The presenter reported having no financial conflicts regarding her study, conducted free of commercial support.