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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Epidemiology. 2010 Sep;21(5):676–684. doi: 10.1097/EDE.0b013e3181e6639f

FIGURE 3.

FIGURE 3

Simulation results when partnership duration is varied. The mean degree n = 1.5 and the mean frequency of sex acts per partnership per day c = 0.3333. S-I and S-P pairs denote a pair of a susceptible person and any infected person, and a pair of a susceptible person and a person infected with primary HIV infection, respectively. Each data point is the mean from 10 simulation runs, and error bars indicate one standard deviation. A, Endemic prevalence and the fraction of S-I pairs out of all pairs across partnership duration. B, Fraction of transmissions during primary HIV infection and the fraction of S-P pairs out of all S-I pairs across partnership duration.