title: Clinical manifestations and diagnosis of influenza.
mesh_terms: D000855:Anorexia / Q000821:virology; D003371:Cough / Q000821:virology; D003937:Diagnosis, Differential; D004244:Dizziness / Q000821:virology; D004797:Enzyme-Linked Immunosorbent Assay / Q000379:methods; D005334:Fever / Q000821:virology; D019085:Fluorescent Antibody Technique, Direct / Q000379:methods; D006801:Humans; D015994:Incidence; D007251:Influenza, Human / Q000150:complications / Q000175:diagnosis* / Q000453:epidemiology / Q000821:virology; D010146:Pain / Q000821:virology; D010612:Pharyngitis / Q000821:virology; D010808:Physical Examination; D016133:Polymerase Chain Reaction / Q000379:methods; D012680:Sensitivity and Specificity; D012698:Serologic Tests / Q000379:methods; D014776:Virus Cultivation / Q000379:methods