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International Notes Influenza -- Worldwide

In Asia, influenza type B viruses were associated with increased morbidity in some regions of the Union of Soviet Socialist Republics (USSR) in November and December 1981 and caused widespread illness in schoolchildren in Japan in February 1982 (1). Elsewhere, influenza type B activity has been mainly sporadic, with cases reported in Canada, Israel, and Sweden in addition to those reported earlier in France and Switzerland (2). However, in the United Kingdom, where outbreaks of influenza type B first occurred in December among schoolchildren in northwest Scotland, virus activity increased considerably in January and February. Infections have been diagnosed throughout the United Kingdom, and outbreaks have been confirmed among such groups as children in boarding schools, patients in geriatric wards, and personnel at a military base.

Influenza type A(H1N1) viruses, reported infrequently, have been isolated from sporadic cases or during small outbreaks in November and December in Bulgaria, Canada, Egypt, Italy, and the USSR, in addition to Japan (1). Influenza type A(H3N2) viruses have been isolated only occasionally in Europe this winter, including those from sporadic cases in Scotland beginning in December, in addition to those reported earlier in Italy and Japan (1,2). In Trinidad and Tobago, however, an island-wide outbreak that affected persons of all ages occurred in the period October-December. Reported by V Zhdanov, MD, Director, Regional Centre for Influenza, Moscow, USSR; PJS Hamilton, MD, Caribbean Epidemiology Centre, Port-of-Spain, Trinidad; Pan American Health Organization, Washington, DC; Virus Diseases Unit, World Health Organization, Geneva, Switzerland; WHO Collaborating Center for Influenza, Viral Diseases Div, Center for Infectious Diseases, CDC.


  1. CDC. Influenza--Japan. MMWR 1982;31:64.

  2. CDC. Influenza--United States, Worldwide. MMWR 1981;30:634.

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