Fig. 7.
Extinction frequencies across varying high-season lengths, with daily vector mortality set at 0.139 and matched parameter sets, as shown. With the duration of host infectivity set at 30 d and half-life of human immunity at 2000 d, for high seasons of 0, 30, 90, and 180 d, mean annual third-year prevalence is 0.10, 0.11, 0.14, and 0.20, respectively; with 30 and 3000 d, 0.09, 0.10, 0.12, and 0.15; and with 20 and 2000 d, 0.08, 0.08, 0.10, and 0.14.