Canadian COVID-19 vaccine study seized on by anti-vaxxers — highlighting dangers of early research in pandemic

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A Canadian study that vastly underestimated the protection COVID-19 vaccines provide against the Omicron variant is being revised — but not before it spread widely on social media by anti-vaxxers, academics and even the creators of the Russian Sputnik V vaccine.

The Ontario preprint study, which has not yet been peer reviewed, suggested that any three doses of mRNA COVID-19 vaccines were just 37 per cent effective against Omicron infection, while two doses actually showed negative protection.

The preprint has been shared on Twitter more than 15,000 times in the two weeks since it’s been published, according

→ Continue reading at CBC News

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