As more Canadians roll up their sleeves for the jab, infectious disease specialist Dr. Scott Halperin, director of the Canadian Centre for Vaccinology, explains the different vaccines approved in Canada and how well they're holding up against Covid variants. We also hear from disability advocate Niko Pupella of Community Living Ontario on what has and hasn't worked for the disability community during the vaccine rollout. This is the March 20, 2021 episode.