The known unknowns of COVID-19 vaccines

COVID-19, Covid-19 Vaccine, Moderna, mRNA, Oxford/AstraZeneca, Pfizer/BioNTech, Primary Debate Categories, Vaccine / December 3, 2020

News that COVID-19 vaccines are up to 95 per cent effective has scientists cautiously optimistic. But questions remain. “There’s a long list of things we don’t know,” says Maria Sundaram, a postdoctoral fellow at the Centre for Vaccine Preventable Diseases at the University of Toronto. Health Canada is currently reviewing early findings from Moderna, Pfizer/BioNTech …

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