Figure 2

Pandemic delayed 60 days with a 20% effective seasonal vaccination coverage. Pandemic strain introduced 60 days after the seasonal strain with a 20% effective seasonal vaccination coverage, a mean temporary immunity of 120 days and R₀ = 1.5. a) Proportion of new infectives each day infected with the seasonal strain (dashed blue line) and the pandemic strain (solid black line). b) Cumulative proportions infected with the seasonal strain (dashed blue line), total infected with the pandemic strain (solid black line), vaccinated individuals infected with the pandemic strain (dashed green line) and proportion of unvaccinated individuals infected with the pandemic strain (dot-dash red line).