Primary human immunodeficiency virus infection. Clinical and serologic aspects.

The identification of characteristic clinical, serologic, and immunologic responses to primary HIV infection has contributed greatly to our understanding of the natural history of HIV infection. Subjects usually present with a mononucleosis-like illness and during the period of primary infection there is a characteristic four-phase T cell response. Early serologic findings of infection include IgM antibody and free HIV p24 antigen. Tests for mononucleosis yield negative results, but atypical lymphocytosis may be present. We believe there are three primary goals for future research into primary HIV infection: to further define the features of this phase of infection, to develop early intervention strategies effective against HIV, and to further develop and foster education strategies that will prevent primary HIV infection.