Table 2. Predicted vaccine efficacy and severe cases prevented per 1000 vaccinated children in high-, middle- and low-socio economic settings.

	Vaccine efficacy		Cases prevented
	0 to 4 yrs	6 m to 23 m	0 to 4 yrs	6 m to 23 m
Severe RV-GE
High	0.91	0.93	139	63
Middle	0.81	0.86	202	133
Low	0.41	0.51	89	71
All RV-GE
High	0.63	0.66	392	167
Middle	0.57	0.58	660	374
Low	0.44	0.53	537	410

^*Results are presented in these two age groups to facilitate comparison with clinical trials (6–23 m) and population impact assessments (0 to 4 yrs).