title: Influenza: update.
authors.affiliation: Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis.
authors.forename: K A
authors.initials: KA
authors.lastname: Ryan-Poirier
mesh_terms: D006801:Humans; D007251:Influenza, Human / Q000150:complications / Q000175:diagnosis / Q000517:prevention & control / Q000628:therapy