The present invention relates to a human antibody or a fragment having immunological activity against the novel coronavirus (corona-19 virus: SARS-CoV-2) The human antibody and its immunologically active fragments binding to the region can effectively prevent the corona-19 virus from infecting the host by binding with high affinity to the RBD region of the spike protein of the Corona-19 virus. It can be used for the prevention or treatment of viral infections, and since it is possible to quickly immunodiagnose (detect) using the antibody and its immunologically active fragments, It can be useful.
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