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Influenza Activity -- United States

Influenza viruses have recently been isolated from sporadic cases identified in California, New York, Texas, and Wisconsin. Type A(H3N2) influenza was isolated from a 38-year-old-man and his 14-year-old daughter in San Diego, California; from 7- and 2-year-old children on Long Island, New York; and from an 8-year-old girl and a 24-year-old college student in Milwaukee, Wisconsin. Type A(H1N1) influenza virus was isolated from a schoolchild in Houston, Texas. All became ill during the last half of November or December. None had a history of recent travel. Previously this season, type A(H3N2) and type B isolates had been identified in Nevada and Texas (1,2). No laboratory-confirmed influenza outbreaks have been documented in the United States this season. Reported by L Sheppard, S Turner, PhD, M Thompson, DrPh, San Diego County Health Dept, San Diego, California Dept of Health Svcs; L Krilov, MD, Long Island Jewish Hospital, P Swenson, PhD, North Shore University Hospital, Long Island, New York; WP Glezen, MD, School of Medicine, Baylor University, Houston, Texas; H Dobbs, MD, Marquette University, G Sedmak, PhD, City of Milwaukee Health Laboratory, Wisconsin; State Epidemiologists and Laboratory Directors; Influenza Br, Div of Viral Diseases, Center for Infectious Diseases, CDC.


  1. CDC. Influenza activity--Nevada. MMWR 1984;33:515-6.

  2. CDC. Influenza activity--Northern Hemisphere, 1984. MMWR 1984;33:651-2.

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