Epidemiology of acute lower respiratory disease in children.
D000208:Acute Disease; D000256:Adenoviridae / Q000302:isolation & purification; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001991:Bronchitis / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000453:epidemiology; D007827:Laryngitis / Q000453:epidemiology; D008297:Male; D009174:Mycoplasma / Q000302:isolation & purification; D009175:Mycoplasma Infections / Q000453:epidemiology; D009657:North Carolina; D011014:Pneumonia / Q000453:epidemiology; D012136:Respiratory Syncytial Viruses / Q000302:isolation & purification; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000209:etiology / Q000382:microbiology; D018108:Respirovirus / Q000302:isolation & purification; D012621:Seasons; D012737:Sex Factors; D012959:Socioeconomic Factors; D014136:Tracheitis / Q000453:epidemiology