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Article: Update: influenza activity - worldwide, 1990-91, and influenza vaccination - United States.
- Article from:
- MMWR. Morbidity and Mortality Weekly Report
- Article date:
- October 18, 1991
CopyrightCOPYRIGHT 1991 U.S. Government Printing Office. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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During the 1990-91 influenza season, influenza occurred at relatively low levels throughout much of the world. All reporting countries (except Brazil and Papua New Guinea, which reported epidemic levels) indicated either sporadic cases, small local outbreaks, or regional outbreaks. This report summarizes worldwide influenza activity reported from April through September 1991.
Asia. From April through August, sporadic isolations of influenza B were reported from Hong Kong, Japan, Singapore, and Thailand; influenza A(H3N2), from southern China, India, and Singapore; and influenza A(H1N1), from China, Hong Kong, Japan, Singapore, and Taiwan.
Europe. ...