Provinces get green light from NACI to mix-and-match COVID-19 vaccines

The National Advisory Committee on Immunization (NACI) says mRNA COVID-19 vaccines are safe to use as a second dose option for Canadians who received the Oxford-AstraZeneca COVID-19 vaccine as their first. That gives provinces the green light to use the mix-and-match vaccine approach, which some have already adopted. Abigail Bimman explains the evidence behind NACI's decision, and how it will impact Canada's rollout.

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