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A case control study to assess the efficacy of measles vaccine
1Department of Community Medicine, Faculty of Medicine, University of Colombo.
The Ceylon Medical Journal
|December 1, 1993
Abstract
Objective:
To measure the efficacy of measles vaccination in a given geographical area.
Design:
Population based case control study.
Setting:
Medical Officer of Health area, Kotte.
Subjects:
All children born after January 1985 and registered by the midwives of the area.
Results:
Vaccine efficacy was 88.9%, the 95% confidence limits being 65.21% to 96.5%.
Conclusion:
The method described is a suitable alternative to the more expensive serological estimates of vaccine efficacy.