Fall in swine flu cases may not signal an end of the epidemic, warns Professor Donaldson.
Mashta
Oona
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D000328:Adult; D004196:Disease Outbreaks; D004739:England / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology*