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Home / Unlabelled / Covid-19 variants pose 'real threat' to vaccine progress, CDC warns

Covid-19 variants pose 'real threat' to vaccine progress, CDC warns

A top health expert says highly contagious variants of the virus pose a "real threat" to the US.
Covid-19 variants pose 'real threat' to vaccine progress, CDC warns Covid-19 variants pose 'real threat' to vaccine progress, CDC warns Reviewed by krishna on March 01, 2021 Rating: 5

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