Masks are no longer mandatory in some Canadian provinces, but some fear it's too soon to relax rules, with vaccination campaigns ongoing and concerns about the spread of variants. We talk to Edmonton business owner Katy Ingraham, who says she'll still ask customers to mask up; Dr. Kwadwo Kyeremanteng, an intensive and palliative care physician at the Montfort and Ottawa hospitals; and Dr. Stephanie Smith, an infectious disease physician at the University of Alberta Hospital in Edmonton.