Editorial: Virus infection and asthma.
D001249:Asthma / Q000209:etiology*; D002675:Child, Preschool; D003332:Coronaviridae; D004196:Disease Outbreaks; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000150:complications; D012136:Respiratory Syncytial Viruses; D012141:Respiratory Tract Infections / Q000150:complications*; D014777:Virus Diseases / Q000150:complications*