We found a south to north movement of rotavirus activity across Europe. Lower birth rates, higher winter temperatures, and higher winter rainfall were associated with variations in timing of rotavirus activity between European countries but not with temporal variations within countries. Patterns of rotavirus activity are likely to be driven by a complex interaction of population, virus, and environmental factors.
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From the *London School of Hygiene and Tropical Medicine, Epidemiology and Population Health, London, United Kingdom; and †Centre for Infections, Health Protection Agency, London, United Kingdom.
Accepted for publication December 15, 2009.
Supported by a PhD studentship grant from the Medical Research Council (to C.J.A.).
The funding body had no role in the design, conduct, analysis or reporting of the study. The views and opinions expressed in this paper do not necessarily reflect those of the funding body.
Address for Correspondence: Christina J. Atchison, Infectious Diseases Epidemiology Unit, Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London WC1E 7HT, United Kingdom. E-mail: Christina.Atchison@lshtm.ac.uk.
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