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Effectiveness of measles vaccination for control of exposed children
Irene Barrabeig1, Ariadna Rovira, Cristina Rius
1Epidemiological Surveillance Unit of Costa Ponent, Department of Health, Generalitat of Catalonia, Av. de la Granvia, 8-10, 5th floor, 08902 L'Hospitalet de Llobregat, Barcelona. ibarrabeig@catsalut.cat
Abstract:
The effectiveness of measles vaccine for postexposure prophylaxis at educational centers was investigated. A total of 166 children who shared the classroom with 10 confirmed cases during the infectious period of cases were studied. Of total susceptible exposed children, 72% (54/75) were vaccinated and 25 contracted measles. Vaccine effectiveness in children vaccinated within 72 hours of exposure was 90.5% (95% confidence interval, 34%-99%).
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