The global impact of influenza on morbidity and mortality.
Simonsen
L
L
Department of Communicable Disease Surveillance and Response, World Health Organization, Geneva, Switzerland. lonesimon@wanadoo.fr
D014943:Global Health; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000401:mortality*; D009017:Morbidity / Q000639:trends