Virological characteristics of the novel SARS-CoV-2 Omicron variants including BA.2.12.1, BA.4 and...
After the global spread of SARS-CoV-2 Omicron BA.2 lineage, some BA.2-related variants that acquire mutations in the L452 residue of spike protein, such as BA.2.9.1 and BA.2.13 (L452M), BA.2.12.1...
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