Table 1.
State variables and their description
| State variables | Description of state variables |
|---|---|
| S | Susceptible Untreated Non-immunes |
| S a | Susceptible Untreated Semi-immunes |
| D | Symptomatic Infected and Treated Non-immunes |
| D a | Symptomatic Infected and Treated Semi-immunes |
| A | Infected Untreated Non-immunes |
| A a | Infected Untreated Semi-immunes |
| P | Uninfected Non-immunes with Temporary Immunity |
| P a | Uninfected Semi-immunes with Temporary Immunity |
| T 1 , T 1 ′ | Symptomatic Infected and Treated Non-immunes with Drug in bloodstream |
| T a , T a ’ | Symptomatic Infected and Treated Semi-immunes with Drug in bloodstream |
| T 2 , T 2 ′ | Susceptible IPT treated Non-immunes with Drug in bloodstream |
| T 3 , T 3 ′ | Infected and IPT Treated Non-immunes with Drug in bloodstream |