Figure 6

Simulation of an arbovirus epidemic: effect of altering the number of animals. The parameters used are shown in Table 3. Black line: animal to human ratio of 1:8; red line: animal to human ratio of 1:4; green line: animal to human ratio of 1:2 (or an equivalent of 12.5, 25 and 50 animals respectively, for a village of 100 people).