Received: 30 December 2020 / Revised: 19 January 2021 / Accepted: 21 January 2021 / Published: 26 January 2021
Abstract
COVID-19 is a severe acute respiratory syndrome (SARS) caused by a new coronavirus (CoV), SARS-CoV-2, which is closely related to SARS-CoV that jumped the animal–human species barrier and caused a