[Tuberculin screening in a secondary school in Montreal following a case of pulmonary tuberculosis].
We planned a tuberculin testing in a secondary school, following student exposure to a fellow student suffering from pulmonary tuberculosis. A first group of 71 students for whom exposure seemed greater, had an intradermal Mantoux test. Of these 71 students, 18 (25.3%) had a > or = 5 mm reactions; 52 went through a second test three months later, six of whom had a > or = 5 mm reaction. In light of the results of the screening in this first group, the tuberculin testing was offered to a second group of 108 students. In this second group, the result of the skin test was > or = 5 mm for 10 (9.3%) students. Out of 179 students, 34 (19.0%) had a significative reaction. A > or = 5 mm reaction was significantly associated with being male, being born outside of Québec and being a member of the first group screened.
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Unité de santé publique, Hôpital du Sacré-Coeur de Montréal, Québec, Canada.
D000293:Adolescent; D002648:Child; D016358:Contact Tracing / Q000379:methods; D004641:Emigration and Immigration; D005260:Female; D006205:Haiti / Q000208:ethnology; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000379:methods*; D011792:Quebec / Q000453:epidemiology; D012111:Residence Characteristics; D012307:Risk Factors; D012572:School Health Services; D012737:Sex Factors; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control*
Dépistage tuberculinique dans une école secondaire de Montréal suite à un cas de tuberculose pulmonaire.