A. Segregated acute respiratory syndrome coronavirus-2
B. Severe acute respiration syndrome coronavirus-2
C. Several acute respiratory syndrome coronavirus-2
D. Severe acute respiratory syndrome coronavirus-2
Explanation :SARS-CoV-2 stands for Severe acute respiratory syndrome coronavirus 2 SARS-CoV-2. It is the strain of coronavirus that causes coronavirus disease 2019 (COVID-19) a respiratory illness. Known as simply the coronavirus, it was previously referred to by its provisional name 2019 novel coronavirus (2019-nCoV). Also been called human coronavirus 2019 (HCoV-19 or hCoV-19). As described by the U.S. National Institutes of Health it is the successor to SARS-CoV-1. SARS-CoV-2 is a positive-sense single-stranded RNA virus. It is contagious in humans. The World Health Organization declared the outbreak a Public Health Emergency of International Concern on 30 January 2020, and a pandemic on 11 March 2020.