title: Influenza virus continues to pose new challenges.
authors.affiliation: Nashville, TN 37232, USA. ssschiu@hkucc.hku.hk
authors.forename: K M
authors.initials: KM
authors.lastname: Edwards
authors.forename: K A
authors.initials: KA
authors.lastname: Poehling
mesh_terms: D000328:Adult; D001927:Brain Diseases / Q000453:epidemiology / Q000821:virology; D002648:Child; D002675:Child, Preschool; D015897:Comorbidity; D006801:Humans; D015994:Incidence; D009980:Influenza A virus; D007252:Influenza Vaccines / Q000627:therapeutic use; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control / Q000628:therapy; D009976:Orthomyxoviridae Infections / Q000453:epidemiology* / Q000517:prevention & control / Q000628:therapy; D003294:Seizures, Febrile / Q000453:epidemiology*
chemical_list: D007252:Influenza Vaccines