title: Investigations on the circulation of viruses occurring in the respiratory tract of apparently healthy schoolchildren aged 7 to 14 years.
abstract: A number of 92 viral agents could be isolated from 1,000 nasopharyngeal secretion samples collected from apparently healthy schoolchildren aged 7-14 years. The following viruses were identified, in decreasing order of frequency: 42 influenza A/USSR 90/77 (H1N1), 20 adeno-, 20 parainfluenza, 8 Coxsackie B1 and 2 herpes virus strains.
mesh_terms: D000256:Adenoviridae / Q000302:isolation & purification*; D000293:Adolescent; D000367:Age Factors; D002648:Child; D029822:Enterovirus B, Human / Q000302:isolation & purification; D005260:Female; D006564:Herpesviridae / Q000302:isolation & purification; D006801:Humans; D009980:Influenza A virus / Q000302:isolation & purification*; D008297:Male; D009305:Nasopharynx / Q000378:metabolism / Q000382:microbiology*; D011446:Prospective Studies; D018108:Respirovirus / Q000302:isolation & purification*; D012383:Romania