Volume 13, Number 1—January 2007
Research
Vaccine Effectiveness Estimates, 2004–2005 Mumps Outbreak, England
Table 4
Estimates of vaccine effectiveness assuming that the proportion of the population vaccinated (PPV) was 1%, 2%, or 5% higher than reported
Coverage | Effectiveness | |
---|---|---|
1 dose, % (95% CI*) | 2 doses, % (95% CI) | |
Baseline | 87.8 (83.1–91.1) | 94.6 (93.0–95.9) |
PPV + 1% | 88.4 (84.0–91.6) | 97.5 (96.6–98.2) |
PPV + 2% | 89.0 (84.8–92.1) | 98.0 (97.2–98.6) |
PPV + 5% | 90.8 (87.3–93.4) | 99.3 (99.0–99.5) |
*CI, confidence interval.
1Current affiliations: National Institute for Communicable Diseases, Johannesburg, South Africa, and University of the Witwatersrand School of Public Health, Parktown, South Africa