The South to North Variation of Norovirus Epidemics from 2006–07 to 2008–09 in Japan

• Shinako Inaida ,

  * E-mail: inaida@med.niigata-u.ac.jp

  Affiliation Division of International Health (Public Health), Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan

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• Yugo Shobugawa,

  Affiliation Division of International Health (Public Health), Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan

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• Shigeo Matsuno,

  Affiliation Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan

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• Reiko Saito,

  Affiliation Division of International Health (Public Health), Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan

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• Hiroshi Suzuki

  Affiliation School of Nursing, Niigata Seiryo University, Niigata, Japan

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