Fig. 2From: Two years of SARS-CoV-2 infection (2019–2021): structural biology, vaccination, and current global situationSARS-CoV-2 structure. SARS-CoV-2 is a positive-sense RNA virus consisting of four structural proteins namely envelop, membrane, nucleocapsid, and spike. It also has 16 non-structural proteins and 9 accessory proteinsBack to article page