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  • Content Type: Abstract

    Influenza affects millions of people and causes about 36,000 deaths in the United States each winter. Pandemics of influenza emerge at irregular intervals. National influenza surveillance is used to detect the emergence and spread of influenza virus… read more
    … 3 views Submitted by elamb on Tue, 03/26/2019 - 16:22 … isolates, percentage ILI, or both indica- tors for all regions. The peak week for calls fell within one week of … illness in ambulatory care setting. erg Infect Dis 2004;10:1806-11. ] Ritzwoller DP, Kleinman K, Palen TE, …