• Centers for Disease Control and Prevention (CDC).
• U.S. Department of Health and Human Services, Atlanta, GA 30333, USA.
• MMWR Morb. Mortal. Wkly. Rep. 2011 Apr 29; 60 (16): 514-6.

AbstractRotavirus is the leading cause of severe diarrhea worldwide among children aged <5 years (1). An estimated 527,000 children in this age group died from rotavirus in 2004, and approximately 85% of those deaths occurred in South Asia and sub-Saharan Africa (2). In 2009, the World Health Organization (WHO) recommended inclusion of rotavirus vaccination in all national immunization programs (3). Disease burden data generated from surveillance are important for making decisions regarding whether to introduce rotavirus vaccine into a country, and establishing surveillance platforms is essential to enable monitoring of vaccine impact. WHO coordinates a global surveillance network for rotavirus that uses standardized case definitions and laboratory methods at sentinel hospitals to identify cases of rotavirus in children with diarrhea. This report summarizes an assessment of data from the global surveillance network for 2009, which found that, among 43 participating countries that tested ≥ 100 stool specimens and reported results for all 12 months in 2009, a median of 36% of enrolled and tested children aged < 5 years hospitalized with diarrhea (range: 25%-47% among the six WHO regions) tested positive for rotavirus. These data illustrate the important etiologic role of rotavirus in hospitalizations for diarrhea in children worldwide, which can be prevented by rotavirus vaccination.

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