An Updated Review of SARS-CoV-2 Vaccines and the ...
2021-4-27 · 1. Introduction. Coronavirus disease 2019 (COVID-19) is a complex disease caused by the etiological agent SARS-CoV-2, the novel Betacoronavirus first detected in Wuhan, China [].COVID-19 has been the largest pandemic ever experienced in the 21st century, having caused, at the time this paper was written (late March 2021), 123.5 million reported cases and 2.7 million …
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