Transmission Patterns of Norovirus From Infected Children to Household Members in León, Nicaragua.

Norovirus is a common and highly transmissible gastrointestinal pathogen. Among 34 Nicaraguan households with a norovirus-infected child, 48% experienced norovirus transmission within 1 week, infecting 18% of household members; GII norovirus was more commonly transmitted than GI. Pediatric norovirus vaccines could prevent both index cases and transmission to close contacts.
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