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Accuracy of Self-Reported COVID-19 Vaccination Status Compared With a Public Health Vaccination Registry in Québec: Observational Diagnostic Study

Accuracy of Self-Reported COVID-19 Vaccination Status Compared With a Public Health Vaccination Registry in Québec: Observational Diagnostic Study

To measure real-world vaccine effectiveness and inform evidence-based health promotion strategies, researchers and policy makers alike need access to reliable vaccination data. Unfortunately, not all researchers and policy makers have access to official electronic public health vaccine registries [20-23], while others have substantial challenges in securing access to individual-level vaccination data even when they exist [24].

Patrick M Archambault, Rhonda J Rosychuk, Martyne Audet, Rajan Bola, Shabnam Vatanpour, Steven C Brooks, Raoul Daoust, Gregory Clark, Lars Grant, Samuel Vaillancourt, Michelle Welsford, Laurie J Morrison, Corinne M Hohl, Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN) investigators, Network of Canadian Emergency Researchers, Canadian Critical Care Trials Group

JMIR Public Health Surveill 2023;9:e44465