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.
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March 02, 2021 at 08:42AM
A top health expert says highly contagious variants of the virus pose a "real threat" to the US.
from BBC News - World https://ift.tt/2Pl7vox
via IFTTT
via Blogger https://ift.tt/3kz6V2b
March 02, 2021 at 08:42AM
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