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Influenza activity--United States, 2000-01 season
MMWR. Morbidity and Mortality Weekly Report
|December 29, 2000
Abstract:
This report summarizes influenza activity in the United States during October 1-November 25, 2000 (1). Influenza activity was low during this period, and influenza virus isolates were reported from 11 states. The viruses most frequently isolated were influenza A (H1N1) and were well matched by the 2000-01 influenza vaccine strain.