Population
Populations in six Midwestern states during the summer of 1956
Design
Cross-sectional
Authors
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Supports hypothesis of viral interference in 1956 data; leaves open relevance to modern enterovirus surveillance.
The study documents the high prevalence of Coxsackie virus B5 and concurrent low incidence of poliovirus in the US Midwest during the summer of 1956.
Chin et al. (1958) studied this question.
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