Provinces look to mix COVID 19 vaccines in light of changing supply
almost 3 years in torontosun
TORONTO — Ontario has become the latest province to signal it will likely mix COVID-19 vaccine brands as the country prepares for a flood of Pfizer and Moderna shots while some doctors questioned further use of Oxford-AstraZeneca. Health Minister Christine Elliott said Monday it’s likely that Ontarians who have received a dose of the AstraZeneca […]
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