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Can J Public Health. 1991 May-Jun;82(3):189-90.

[Major measles epidemic in the region of Quebec despite a 99% vaccine coverage].

[Article in French]

Author information

  • 1Département de santé communautaire, Centre Hospitalier de l'Université Laval.

Abstract

The 1989 measles outbreak in the province of Quebec has been largely attributed to an incomplete vaccination coverage. In the Quebec City area (pop. 600,000) 1,363 confirmed cases of measles did occur. A case-control study conducted to evaluate risk factors for measles allowed us to estimate vaccination coverage. It was measured in classes where cases did occur during the outbreak. This population included 8,931 students aged 5 to 19 years old. The 563 cases and a random sample of two controls per case selected in the case's class were kept for analysis. The vaccination coverage among cases was at least 84.5%. Vaccination coverage for the total population was 99.0%. Incomplete vaccination coverage is not a valid explanation for the Quebec City measles outbreak.

PMID:
1884314
[PubMed - indexed for MEDLINE]
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