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
|