Fig. 2

Simulated incidence of districts in group 1 (increasing Rs), group 2 (decreasing Rs), group 3 (with a jump) and groups 4 (constant Rs = 0.8)
Simulated incidence of districts in group 1 (increasing Rs), group 2 (decreasing Rs), group 3 (with a jump) and groups 4 (constant Rs = 0.8)