Fig. 1.

Orange box: SIRD distributed compartment model at each time point t; susceptible ($S_k)$, infected ($I_k)$, recovered ($R_k)$, deceased ($D_k)$ of k^th group. Light blue box: vaccinated people of k^th group ($V_k$). (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)