1.SARS-CoV-2 Omicron Mutation Is Faster than the Chase: Multiple Mutations on Spike/ACE2 Interaction Residues
Sinae KIM ; Tam T. NGUYEN ; Afeisha S. TAITT ; Hyunjhung JHUN ; Ho-Young PARK ; Sung-Han KIM ; Yong-Gil KIM ; Eun Young SONG ; Youngmin LEE ; Hokee YUM ; Kyeong-Cheol SHIN ; Yang Kyu CHOI ; Chang-Seon SONG ; Su Cheong YEOM ; Byoungguk KIM ; Mihai NETEA ; Soohyun KIM
Immune Network 2021;21(6):e38-
Recently, a new severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (B.1.1.529) Omicron variant originated from South Africa in the middle of November 2021. SARS-CoV-2 is also called coronavirus disease 2019 (COVID-19) since SARS-CoV-2 is the causative agent of COVID-19. Several studies already suggested that the SARS-CoV-2 Omicron variant would be the fastest transmissible variant compared to the previous 10 SARS-CoV-2 variants of concern, interest, and alert. Few clinical studies reported the high transmissibility of the Omicron variant but there is insufficient time to perform actual experiments to prove it, since the spread is so fast. We analyzed the SARS-CoV-2 Omicron variant, which revealed a very high rate of mutation at amino acid residues that interact with angiostatin-converting enzyme 2. The mutation rate of COVID-19 is faster than what we prepared vaccine program, antibody therapy, lockdown, and quarantine against COVID-19 so far. Thus, it is necessary to find better strategies to overcome the current crisis of COVID-19 pandemic.
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