B J Law1, J Laflèche1,2, N Ahmadipour1, H Anyoti1. 1. Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada, Ottawa, ON. 2. Citizenship and Immigration Canada, Ottawa, ON.
Abstract
BACKGROUND: To describe the adverse event following immunization (AEFI) reporting profile for vaccines administered in Canada during 2012 and surveillance trends relative to reports for vaccines administered from 2005 through 2011. METHODS: Analysis of data based on AEFI reports received by the Public Health Agency of Canada by April 30, 2013, for vaccines marketed in Canada and administered from January 1, 2005, through December 31, 2012. RESULTS: The AEFI reporting rate was 10.1 per 100,000 population in Canada for vaccines administered in 2012 and was inversely proportional to age. There was a trend of declining rates from 2005 (14.8) to 2012 overall and by age group. The vast majority of reports (94%-95%) were non-serious involving reactions at or near the vaccination site, rash and febrile events. CONCLUSION: Canada has a strong pharmacovigilance system for vaccines with one of the highest AEFI reporting rates in developed countries. Vaccines marketed in Canada have a very good safety profile. This report enables comparisons across jurisdictions in Canada and globally.
BACKGROUND: To describe the adverse event following immunization (AEFI) reporting profile for vaccines administered in Canada during 2012 and surveillance trends relative to reports for vaccines administered from 2005 through 2011. METHODS: Analysis of data based on AEFI reports received by the Public Health Agency of Canada by April 30, 2013, for vaccines marketed in Canada and administered from January 1, 2005, through December 31, 2012. RESULTS: The AEFI reporting rate was 10.1 per 100,000 population in Canada for vaccines administered in 2012 and was inversely proportional to age. There was a trend of declining rates from 2005 (14.8) to 2012 overall and by age group. The vast majority of reports (94%-95%) were non-serious involving reactions at or near the vaccination site, rash and febrile events. CONCLUSION: Canada has a strong pharmacovigilance system for vaccines with one of the highest AEFI reporting rates in developed countries. Vaccines marketed in Canada have a very good safety profile. This report enables comparisons across jurisdictions in Canada and globally.
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