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Biology

SARS-CoV-2: The biology of coronavirus

Among the seven known human coronaviruses (HCoVs), HCoV-229E and HCoV-NL63 belong to α-coronavirus, whereas HCoV-OC43 and HCoV-HKU1 belong to lineage A, SARS-CoV and SARS-CoV-2 to lineage B, and MERS-CoV to lineage C of β-coronavirus