Serious respiratory tract illness as a result of Asian influenza and influenza B infections in children.
D001991:Bronchitis; D001996:Bronchopneumonia / Q000209:etiology*; D002648:Child; D006801:Humans; D007223:Infant; D007251:Influenza, Human; D007827:Laryngitis; D012137:Respiratory System
BRONCHITIS/in infancy and childhood; BRONCHOPNEUMONIA/etiology; INFLUENZA/in infancy and childhood; LARYNGITIS/in infancy and childhood