Definitions for "Seroprevalence"
For HIV, the rate at which a given population tests positive on the ELISA test for HIV antibodies. 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.
As related to HIV infection: The proportion of persons who have serologic (i.e., pertaining to serum) evidence of HIV infection at any given time. See also Serum.
The total number of people showing antibodies.
The frequency of a seropositive substance in a group of people.