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Several models for the spread of AIDS within a homosexual community have been proposed that incorporate biased mixing of different risk groups. A simple model is presented that captures many of the features of these more complex models. Analytical expressions are derived for the time to the state of maximum infection (SMI) in a particular risk group, the proportion infected at SMI, and the number of infected individuals as the group approaches SMI. These results agree qualitatively with numerical simulations of the model.

Type

Journal article

Journal

Math Biosci

Publication Date

09/1991

Volume

106

Pages

129 - 150

Keywords

Acquired Immunodeficiency Syndrome, Homosexuality, Humans, Male, Mathematics, Models, Statistical, Risk Factors, Time Factors