Vaping-associated lung illness (VALI) in Canada: a descriptive analysis of VALI cases reported from September 2019 to December 2020.

Introduction: The aim of this study was to explore demographic and clinical characteristics of vaping-associated lung illness (VALI) cases reported in Canada from September 2019 to December 2020; compare the epidemiology of VALI cases in Canada to e-cigarette or vaping product use-associated lung injury (EVALI) cases in the US; and examine possible explanations for differences between the two countries.

Methods: A federal/provincial/territorial task group developed a national outbreak definition, minimum dataset and case report form for identification and surveillance of VALI cases in Canada. Descriptive analysis explored the characteristics and epidemiology of reported VALI cases.

Knowledge change associated with participation in prenatal education programs in Ontario: A cohort study.

Objectives: The primary objective was to examine how participation in prenatal programs delivered by Ontario public health units influences pregnant women's pregnancy-related knowledge. Secondary objectives were to examine the socio-demographic characteristics of women participating in these programs and assess program satisfaction.

Methods: A cohort study was conducted of 511 adult pregnant women who were registered for a prenatal program within one of seven Ontario public health units.