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. Deltacoronaviruses have
a nonopartite, linear genome of 26-26.5 kb. Birds are the most common reservoir for
deltacoronaviruses.;
Alternative definition : CDISC: Any viral organism that can be assigned to the genus Deltacoronavirus.;