New data suggests Canada’s ‘gamble’ on delaying, mixing and matching COVID-19 vaccines paid off

New data suggests Canada’s ‘gamble’ on delaying, mixing and matching COVID-19 vaccines paid off

New Canadian data suggests the strategy to delay and mix second doses of COVID-19 vaccines led to strong protection from infection, hospitalization and death — even against the highly contagious delta variant — that could provide lessons for the world.
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