The role of infection in the morbidity of asthmatic children admitted to hospital.
D000208:Acute Disease; D000256:Adenoviridae / Q000302:isolation & purification; D001249:Asthma / Q000150:complications* / Q000453:epidemiology / Q000628:therapy; D001424:Bacterial Infections / Q000150:complications* / Q000453:epidemiology; D002648:Child; D006193:Haemophilus influenzae / Q000302:isolation & purification; D006760:Hospitalization; D006801:Humans; D012136:Respiratory Syncytial Viruses / Q000302:isolation & purification; D012141:Respiratory Tract Infections / Q000150:complications / Q000453:epidemiology; D018108:Respirovirus / Q000302:isolation & purification; D012621:Seasons; D018139:Simplexvirus / Q000302:isolation & purification; D013291:Streptococcus / Q000302:isolation & purification; D014777:Virus Diseases / Q000150:complications* / Q000453:epidemiology