Fig. 5.

Typical behavior for diverse disease risk perception. In a) there is no disease risk perception, $\delta =0,$ and the disease behaves according to the usual SIR dynamics, with a big and singular infection peak. In b) $\delta =5$ and while there are two infection waves, their magnitude is considerably smaller. Finally, in c) $\delta =10,$ and we can see three shallow infection peaks. Note that as $\delta$ increases, the infection are distributed during a longer time span. In general, an increase in risk perception leads to smaller, and more distributed, infection peaks. Here ${\beta }_N=5$.