| seroprevalence | <immunology, investigation> The rate at which a given population tests positive on the ELISA test for particular antibodies. For HIV, the seroprevalence rate is nearly the same as the rate of HIV infection in a given population, leaving out mainly those who were recently infected. (28 May 1998) |
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| HIV seroprevalence | Studies of the number of cases where human immunodeficiency virus (HIV) is present in a specific population at a designated time. The presence in a given individual is determined by the finding of HIV antibodies in the serum (HIV seropositivity). (12 Dec 1998) |
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