Seasonal influenza in adults and children--diagnosis, treatment, chemoprophylaxis, and institutional outbreak management: clinical practice guidelines of the Infectious Diseases Society of America. - Harper SA; Bradley JS; Englund JA; File TM; Gravenstein S; Hayden FG; McGeer AJ; Neuzil KM; Pavia AT; Tapper ML; Uyeki TM; Zimmerman RK (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2009)