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  • Content Type: Abstract

    Surveillance of influenza in the US, UK and other countries is based primarily on measures of influenza-like illness (ILI), through a combination of syndromic surveillance systems, however, this method may not capture the full spectrum of illness or… read more
    … of syndromic surveillance systems, however, this method may not capture the full spectrum of illness or the total … those with mild illness are less likely to see a GP, and visits generally occur two or more days after onset of … those with mild illness are less likely to see a GP, and visits generally occur two or more days after onset of …