State | Indicator | Functional Definition |
---|---|---|
Susceptible | S | Susceptible to COVID-19 |
Exposed | E | Exposed and infected, but not yet symptomatic, have the potential to become infectious |
Infected | I | Infected symptomatic as well as infectious |
Quarantined | Q | Infectious and self-isolated i.e. individuals who are isolated and hence do not come in contact with the susceptible popualtion) |
Hospitalized | H | Those that require hospitalization and would normally be hospitalized if capacity was available |
Recovered | R | Recovered, assumed to be immune from further infection. However, repeat infection is possible, but chances are low and for the time being assumed disregardable. |
Fatality | F | Case fatality (death exclusively due to COVID-19 and of no other cause. |