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Rotavirus vaccine could protect children from infection and related diarrhea.

Vaccine Weekly

| November 20, 2002 | COPYRIGHT 2002 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

2002 NOV 20 - (NewsRx.com & NewsRx.net) -- by Maria G. Essig, MS, ELS, senior medical writer - Data gathered on infants in Guinea-Bissau, West Africa, indicated that a rotavirus vaccine could provide protection against rotavirus-related diarrhea, according to a report in the Journal of Infectious Diseases.

Thea K. Fischer and colleagues at the Projecto de Saude de Bandim in Guinea-Bissau and the University of Bergen in Norway tested for rotavirus in the stools of 200 infants in Guinea-Bissau weekly for up to 2 years.

The investigators found primary rotavirus infection occurred in 74% of the infants by the age of 2 years. The incidence of rotavirus-related diarrhea was relatively low in very young infants, increased until approximately 11 months, and then declined.

Among children younger than 3 months, incidence of diarrhea associated with rotavirus infection was 17%. The incidence rose to 60% for children 9 to 11 months old but dropped to 0% in children older than 18 months (Protective immunity after natural rotavirus infection: A community cohort study of newborn children in Guinea-Bissau, West Africa. Journal of Infectious Diseases, 2002;186(5):593-597).

Succeeding rotavirus infections were prevented in 52% of the children who had a primary infection, and 70% were protected against rotavirus ...

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