The Interaction between Seasonality and Pulsed Interventions against Malaria in Their Effects on the Reproduction Number
Figure 4
Effect size of IRS with seasonality according to the time of year of spraying.
IRS is repeated annually with 80% coverage. Each line is for a different length of high season, all centred around 6 months. The black dashed lines are the effect sizes without seasonality. A: Insecticide with 60% repellency and a 6 month half-life. B: Insecticide with 20% repellency and a 3 month half-life.