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Abstract

Pertussis disease is most severe among young infants, leading to high morbidity and mortality. To reduce the burden of pertussis disease among young infants, immunization against pertussis during pregnancy has been implemented in an increasing number of countries over the past decade. My research goals have focused on addressing important knowledge gaps in the field of pertussis immunization during pregnancy to inform an evidence-based immunization program. Using data on hospitalized pertussis cases admitted to pediatric tertiary care centers in Canada, I report that the highest morbidity and mortality from pertussis is among infants