The Latest: Canada OKs vaccine change between 1st, 2nd dose
TORONTO - Canada's National Advisory Committee on Immunization says people who got the Oxford-AstraZeneca vaccine for the first dose can be offered either Pfizer-BioNTech or Modern…
TORONTO - Canada's National Advisory Committee on Immunization says people who got the Oxford-AstraZeneca vaccine for the first dose can be offered either Pfizer-BioNTech or Modern…