NCIt definition : A genus of enveloped and spherical positive sense ssRNA viruses in the subfamily Coronavirinae
of the family Coronaviridae with a diameter of about 120 nm. Betacoronaviruses have
a nonopartite, linear genome of 27-32 kb. Bats are the most common reservoir for betacoronaviruses.;
Alternative definition : CDISC: Any viral organism that can be assigned to the genus Betacoronavirus.;