Rhinovirus infections in an industrial population. I. The occurrence of illness.
D000041:Absenteeism; D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009787:Occupational Medicine; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D012229:Rhinovirus; D012621:Seasons; D014768:Virginia; D014777:Virus Diseases / Q000453:epidemiology*