Analysis of the Characteristics of SARS-Cov-2 Spike Compared to SARS-Cov Spike and Its Role in the Pathogenesis of Infection– A Literature Review
Keywords:SARS-CoV-2, SARS-CoV, COVID-19 infection, coronavirus spike
The spread of COVID-19 that caused by SARS-CoV-2 happened very fast & has infected many people. WHO
reported 1,051,635 cases of COVID-19 and 56,985 confirmed deaths caused by COVID-19 as of April 4,
2020. SARS-CoV-2 is a novel coronavirus that originates from betacoronavirus together with SARS-CoV.
This study aims to find and understand the differences between the SARS-CoV-2 and SARS-CoV spikes in
the infection and the spread of the resulting disease. This is a literature studies obtained from national journal
articles indexed by SINTA and international journals indexed by Scimago or Scopus and published in 2015-
2020. We concluded that there is a difference between the SARS-CoV-2 spike and the SARS-CoV spike, so
that it can affect the spread of the disease. SARS-CoV-2 has a furin cleavage site that absent in SARS-CoV.
The existence of this furin cleavage site can help the activation and the efficiency of the infection of the
SARS-CoV-2 and increases its transmissibility to organs and populations when compared to viruses without
furin cleavage sites such as SARS-CoV.
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