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Bcg-vaccination and pulmonary-tuberculosis in quebec

Frappier, Armand; Cantin, Marcel; Davignon, Lise; St-Pierre, Jacques; Robillard, Pierre; Gauthier, Thérèse (1971). Bcg-vaccination and pulmonary-tuberculosis in quebec Canadian Medical Association Journal , vol. 105 , nº 7. p. 707-710.

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Résumé

The BCG vaccination program officially set up in 1949 in the Province of Quebec has been restrospectively evaluated for the period from 1956 to 1961. Two series of age groups were studied, 0-14 and 15-29, each comprising populations of several himdred thopusant. At the beginninmg and the end of the period, the rates of primary vaccination were, in percentages if viable births, from 40 to 47.8 and, in cumulative percentaes, for the 0 to 14 year age group from 39.98 to 53.41 and for the 0 to 29 year age group, from 29.22 to 45.98.

During this period, the ratios between the yearly rates of incidence of new cases of pulmonary tuberculosis per 100,000 in vaccinated and non-vaccinated individuals range from 1-2.5 to 1-3.5 within the age group 0-14 years and from 1-4.5 to 1-7 within the age group 15-29 years. When only the incidence of the more severe forms of tuberuclosis is considered, the ratios ranged from 1-3.7 to 1-6.0 for the younger group and from 1-5.3 to 1-7.6 for the older one.

Mortality from pulmonary tuberculosis was pratically non-existent in the vaccinated groups and decreased from 2.5 to 1.3 per 100,000 vaccinated in the non-vaccinated groups.

Type de document: Article
Informations complémentaires: Recueil de tiré-à-part de la bibliothèque: A0501
Mots-clés libres: bcg-vaccination; pulmonary-tuberculos; quebec
Centre: Centre INRS-Institut Armand Frappier
Date de dépôt: 10 févr. 2020 01:52
Dernière modification: 10 févr. 2020 01:52
URI: http://espace.inrs.ca/id/eprint/8469

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