Canada approves Moderna shot targeting Omicron

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OTTAWA, Canada (AFP) – Canada on Thursday authorized an updated Moderna Covid-19 booster shot that specifically targets the Omicron variant and is said to provide significantly better protection against it. In a summary of the decision, Health Canada said clinical trials of the new bivalent vaccine induced significantly higher immune responses than its predecessor against the now dominant Omicron variants. It also matched the older Moderna vaccine’s effectiveness against the original virus, and is recommended […]