title: Morbidity and mortality associated with influenza B in the United States, 1979-1980. A report from the Center for Disease Control.
mesh_terms: D004812:Epidemiologic Methods; D006801:Humans; D007251:Influenza, Human / Q000150:complications / Q000401:mortality*; D009975:Orthomyxoviridae / Q000302:isolation & purification; D012202:Reye Syndrome / Q000209:etiology; D014481:United States