The transition rate of the epidemic status is related to the risk of individual infection, and the risk of infection is related to the number of infected individuals contacted and the situation of protective measures.
The transition rate of epidemic status is related to individual infection risk, and the infection risk is related to the number of infected individuals and protective measures.
The transition rate of epidemic situation is related to the individual infection risk, and the infection risk is related to the number of infected individuals and the protective measures.