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Summary of the model variables (
).
| Symbol | Meaning | |
|---|---|---|
|
Susceptible persons | |
|
Isolated among susceptible persons | |
|
Exposed (infected but not infectious) persons | |
|
Asymptomatic persons | |
|
Isolated among asymptomatic persons caught by test | |
|
Presymptomatic (pre-diseased) persons | |
|
Isolated among pre-diseased persons caught by test | |
|
Symptomatic (diseased) persons | |
|
Immune (recovered) persons |
