| Full a | Outbreak-free b |
---|---|---|
 | 1-HR (95% CI) c | 1-HR (95% CI) |
Vaccine efficacy | ||
 ages 1 to <5 years | 0.34 (-0.09, 0.60) | 0.38 (-0.02, 0.62) |
 ages 5 to <15 years | 0.71 (0.48, 0.84) | 0.85 (0.67, 0.93) |
 ages 15 years and older | 0.73 (0.58, 0.83) | 0.69 (0.49, 0.81) |
Participant age | ||
 ages 1 to <5 years (ref) | 0 | 0 |
 ages 5 to <15 years | 0.74 (0.62, 0.83) | 0.78 (0.66, 0.86) |
 ages 15 years and older years | 0.88 (0.82, 0.92) | 0.89 (0.83, 0.93) |