title: Influenza: a yearly challenge.
authors.affiliation: Polyclinic Medical Center, Harrisburg, Pennsylvania, USA.
authors.forename: N M
authors.initials: NM
authors.lastname: Gantz
mesh_terms: D000998:Antiviral Agents / Q000627:therapeutic use*; D006801:Humans; D009980:Influenza A virus; D007252:Influenza Vaccines / Q000008:administration & dosage / Q000009:adverse effects / Q000276:immunology; D007251:Influenza, Human / Q000453:epidemiology / Q000503:physiopathology / Q000517:prevention & control* / Q000628:therapy; D014481:United States / Q000453:epidemiology; D014611:Vaccination