Table 1.

Nested hierarchy of vaccination scenarios simulated for South Africa over the years 2027 through 2047

Scenario	Coverage (%)	Scale-up (years)	Efficacy (%)	Durability (years)	Waning	Return rate for booster (%)
1	100	0	100	20	No	NA
2	100	5	100	20	No	NA
3	100	5	100	10	No	NA
4	100	5	50	10	Yes	100
5	60	5	50	10	Yes	100
6	30	5	50	10	Yes	100
7	10	5	50	10	Yes	100
8	100	5	50	10	Yes	80
9	60	5	50	10	Yes	80
10	30	5	50	10	Yes	80
11	10	5	50	10	Yes	80
12	100	5	50	10	Yes	50
13	60	5	50	10	Yes	50
14	30	5	50	10	Yes	50
15	10	5	50	10	Yes	50