Acute lower respiratory tract infections in nonhospitalized children.
D000208:Acute Disease; D000256:Adenoviridae; D000293:Adolescent; D000367:Age Factors; D001990:Bronchiolitis, Viral / Q000453:epidemiology; D001991:Bronchitis / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D003440:Croup / Q000453:epidemiology; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009177:Mycoplasma pneumoniae; D009657:North Carolina; D009975:Orthomyxoviridae; D011014:Pneumonia / Q000453:epidemiology; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000209:etiology / Q000628:therapy; D018108:Respirovirus; D012621:Seasons; D014136:Tracheitis / Q000453:epidemiology; D014777:Virus Diseases / Q000382:microbiology