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Volume 13, Number 1—January 2007

Research

Vaccine Effectiveness Estimates, 2004–2005 Mumps Outbreak, England

Cheryl Cohen*1Comments to Author , Joanne M. White†, Emma J. Savage†, Judith R. Glynn*, Yoon Choi†, Nick Andrews†, David Brown†, and Mary E. Ramsay†
Author affiliations: *London School of Hygiene and Tropical Medicine, London, United Kingdom; †Health Protection Agency Centre for Infections, London, United Kingdom; 1Current affiliations: National Institute for Communicable Diseases, Johannesburg, South Africa, and University of the Witwatersrand School of Public Health, Parktown, South Africa

Main Article

Table 4

Estimates of vaccine effectiveness assuming that the proportion of the population vaccinated (PPV) was 1%, 2%, or 5% higher than reported

CoverageEffectiveness
1 dose, % (95% CI*)2 doses, % (95% CI)
Baseline87.8 (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.

Main Article

1Current affiliations: National Institute for Communicable Diseases, Johannesburg, South Africa, and University of the Witwatersrand School of Public Health, Parktown, South Africa

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