Pandemic influenza school closure policies.
Kahn
Laura H
LH
D018672:Community Health Planning / Q000331:legislation & jurisprudence; D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D011640:Public Policy; D012574:Schools / Q000331:legislation & jurisprudence* / Q000706:statistics & numerical data; D006113:United Kingdom; D014481:United States