title: Respiratory infections in children at a nursery in Finland. Virologic and epidemiologic studies over a 21-month period.
mesh_terms: D000257:Adenoviridae Infections / Q000453:epidemiology*; D002654:Child Care; D003168:Complement Fixation Tests; D003587:Cytomegalovirus / Q000472:pathogenicity; D005260:Female; D005387:Finland; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009976:Orthomyxoviridae Infections / Q000453:epidemiology; D012136:Respiratory Syncytial Viruses / Q000472:pathogenicity*