Raws li kev tshawb fawb zaum kawg, muaj ntau yam hloov pauv ntawm Covid-19 tus kab mob, uas yog cov neeg Askiv sib txawv (VOC202012/01, B.1.1.7 lossis 20B/50Y.V1). Muaj 4 qhov kev hloov pauv ntawm cov nucleoprotein, uas nyob ntawm D3L, R203K, G203R thiab S235F. South Africa variants (501.V2, 20C/501Y....
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