Figure 8

Reproduction number RT versus average number Γ of susceptible people that a single individual, positive for the virus, meets throughout her/his lifetime, for Italy (continuous line), Lombardia (dashed line), Sicily (dot-dashed line), and Lazio (dotted line). The present (RT, Γ) values, as of January the 31th, 2021, are plotted as open circle, open lozenges, open square, and open triangle, respectively.