kapsiidiga üheahelalise spiraalina keerdunud RNA‑viirus (hingamisteede nakkuste põhjustaja), a genus of the family Coronaviridae which causes respiratory or gastrointestinal disease in a variety of vertebrates, any of a family (Coronaviridae) of single-stranded RNA viruses that have a lipid envelope studded with club-shaped projections, infect birds and many mammals including humans, and include the causative agents of MERS and SARS, any of a family of single-stranded RNA viruses that infect mammals and birds, causing respiratory infections such as the common cold and SARS in humans, and that have spikes of glycoproteins projecting from the viral envelope