Figure 3.

a) Monthly R₀ values plotted versus monthly temperature for Switzerland, 2005. Calculated R₀ values for 2005 in Switzerland (secondary y-axis) along with monthly mean, minimum and maximum temperatures (primary y-axis). b) Monthly R₀ values plotted versus monthly temperature for Switzerland, 2006. Calculated R₀ values for 2006 in Switzerland (secondary y-axis) along with monthly mean, minimum and maximum temperatures (primary y-axis)