Japanese health authorities have reported to the World Health
Organization extensive influenza activity among school-age children
since mid-January. Influenza B strains (B/Singapore/222/79-like)
have
been isolated in 30 prefectures. In northern parts of Japan, small
outbreaks of influenza type A(H3N2) have been occurring. Sporadic
cases of influenza A(H1N1) have also been reported.
Reported by WHO Collaborating Influenza Center, Center for
Infectious
Diseases, CDC.
Disclaimer
All MMWR HTML documents published before January 1993 are electronic conversions from ASCII text into HTML. This conversion may have resulted in character translation or format errors in the HTML version. Users should not rely on this HTML document, but are referred to the original MMWR paper copy for the official text, figures, and tables. An original paper copy of this issue can be obtained from the Superintendent of Documents, U.S. Government Printing Office (GPO), Washington, DC 20402-9371; telephone: (202) 512-1800. Contact GPO for current prices.
**Questions or messages regarding errors in formatting should be addressed to mmwrq@cdc.gov.
