Fig. 2

Graphic representation of the SEIRL-V model. Clinical stages for the population are: Susceptible (S), Exposed (\(E_{\nu }\)) where \(\nu =0,1,2\) is the number of vaccine doses administered, Presymptomatic (\(P_{S,\nu }\)), Asymptomatic (A), Recovered (R), Mild infection (M), Severe infection (H), Critical infection (ICU), Dead (D), Vaccinated 1st dose (\(V_1)\) and Vaccinated 2nd dose (\(V_2)\) The intervention measures are represented by L