Debate over whether to delay COVID-19 vaccine doses rages

• 4 years ago
• News
• Duration 2:01

As provinces rush to get vaccines into arms, debate continues over how late second doses of the Pfizer-BioNTech and Moderna COVID-19 vaccines can be given. Canada's Vaccine Task Force is pushing for manufacturer guidelines to be adhered to, while Canada's National Advisory Committee on Immunization says up to 42 days is OK.