Skip to main content
. 2021 Jan 29;34:100439. doi: 10.1016/j.epidem.2021.100439

Table 2.

State variables of the mathematical models.

Name Description
S Susceptible
E Exposed but not infectious
A Asymptomatic and infectious
I Symptomatic and infectious
R Recovered with previously symptomatic progression
R Recovered with previously asymptomatic progression
D Deceased