Add Yahoo as a preferred source to see more of our stories on Google. People in Toronto protest the implementation of a QR code COVID-19 vaccine passport by the Ontario government, Sept. 1, 2021.
In a recent study published in The New England Journal of Medicine, researchers evaluated Pfizer-BioNTech’s BNT162b2 messenger ribonucleic acid (mRNA) vaccine effectiveness (VE) against SARS-CoV-2 ...
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