Table 1. Fixed parameters in the epidemiological models.

Three-stage model		Two-population model
Initial population size	N = 10,000	Initial population sizes	N 1 = N 2 = 2 million
Birth/death rate	yr−1	Birth/death rate	yr−1
Progression rate	γE = 1 yr−1	Recovery rate	day−1
Progression rate	yr−1	Seasonal amplitude	α = 0.08
AIDS death rate	yr−1	Seasonal phase	δ 1 = 0.0 yrs
			δ 2 = 0.5 yrs