Omicron variant has worrisome mutations, but more study is needed, W.H.O. says. ~ NEWS HEADLINES

NYT Omicron variant has worrisome mutations, but more study is needed, W.H.O. says.

Omicron variant has worrisome mutations, but more study is needed, W.H.O. says.

Dipraj Sarkar 2:04 PM

By BY ADEEL HASSAN from NYT World https://ift.tt/3cTKAcE

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