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The factors necessary for protective immunity against HIV-1 are unknown. Important information about these factors should come from study of people at high risk of HIV infection who have not apparently become infected. Among these are the estimated 60-85% of children who may be exposed in utero or perinatally to HIV-1 but do not become infected. We observed the transient appearance of HIV-specific cytotoxic T-lymphocyte (CTL) activity in a baby born to HIV-1-infected parents, in whom all standard markers of infection remained negative. These findings suggest that HIV-specific CTLs may be a marker for recently exposed, but uninfected, individuals.

Type

Journal article

Journal

Lancet

Publication Date

03/04/1993

Volume

341

Pages

860 - 861

Keywords

CD4-CD8 Ratio, Cytotoxicity, Immunologic, Female, Follow-Up Studies, HIV Infections, HIV Seropositivity, HIV-1, Humans, Immunity, Infant, Newborn, Pregnancy, Pregnancy Complications, Infectious, T-Lymphocytes, Cytotoxic