COVID-19 health messaging: triumph or train-wreck? Experts reflect on past 2 years

Circuit breaker lockdowns or COVID-Zero? To mix COVID-19 vaccines or not to mix vaccines? Two vaccine doses or three or

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Mobility, test positivity prompts ‘cautious optimism’ on COVID situation: Ontario scientific director

TORONTO — The scientific director of Ontario’s expert pandemic advisory group says some indicators suggest COVID-19 hospitalizations could peak in

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