Figure 2
From: Equilibrium points and their stability of COVID-19 in US
Box plot for the parameters \(\beta , \alpha ,\sigma , \gamma , \delta\) in three steady periods (April–July, 2021; March–May 2022; September–November, 2022) across 50 states in the US. (a) Box plot for the transmission rate \(\beta\), representing the rate at susceptible compartment transmit to exposed one, (b) box plot for the vaccination rate \(\alpha\), representing the rate at susceptible individuals become vaccinated, (c) box plot for the vaccine inefficiency \(\sigma\), representing the rate at vaccinated people become exposed, (d) box plot for the incubation rate \(\gamma\), representing the rate at exposed population moves to infected one and (e) box plot for the probability of the recovery or death \(\delta\), representing the rate at infected persons become recovered.
