Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
State machines describing the state transitions of a person with respect to the disease contagion (R = Resistant, S = Susceptible and I = Infected) and with respect to the information spreading (U = unaware, A = aware), respectively. A person starts in the susceptible and unaware states. We assume that aware individuals spread the information and cannot go back to the unaware state.
