Spike glycoprotein o loʻo iai i luga o le coronavirus fou ma faigofie ona suia e pei ole Alpha (B.1.1.7), Beta (B.1.351), Delta (B.1.617.2), Gamma (P.1) ma Omicron (B. 1.1.529, BA.2, BA.4, BA.5). O le nucleocapsid viral e aofia ai le nucleocapsid protein (N protein mo le pupuu) ma le RNA. O le porotini N i...
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