SARS-CoV-2: Introduction, Classification, Variant, Pathogenicity, Lab Diagnosis, Treatment, and Prevention
Introduction of SARS-CoV-2 SARS-CoV-2 is a positive-sense single-stranded RNA virus that causes coronavirus disease 2019 ( COVID -19). SARS-CoV-2 stands for severe acute respiratory syndrome coronavirus 2. On March 11, 2020, the World Health Organization (WHO) characterized COVID-19 as a pandemic. On March 11, 2020, …