Epidemiology of influenza A(H1N1)v virus infection in Japan, May-June 2009.

T. Shimada, Y. Gu, H. Kamiya, N. Komiya, F. Odaira, T. Sunagawa, H. Takahashi, T. Toyokawa, Y. Tsuchihashi, Y. Yasui, Y. Tada, N. Okabe

Research output: Contribution to journalArticlepeer-review

61 Citations (Scopus)


Between 9 May and 4 June 2009, a total of 401 laboratory-confirmed cases of influenza A(H1N1)v virus were reported in Japan, from 16 of the 47 Japanese prefectures. The two areas most affected were Osaka prefecture and Kobe city where outbreaks in high schools occurred leading to school closures. To date all cases have had symptoms consistent with seasonal influenza and no severe or fatal cases have been reported.

Original languageEnglish
JournalEuro surveillance : bulletin européen sur les maladies transmissibles = European communicable disease bulletin
Issue number24
Publication statusPublished - 2009
Externally publishedYes

ASJC Scopus subject areas

  • Epidemiology
  • Public Health, Environmental and Occupational Health
  • Virology


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