NCIt definition : A genus of enveloped, spherical viruses with a capsid with T 4 icosahedral symmetry,
in the family Togaviridae. The genome is composed of a linear, single-strand of positive
sense RNA. Rubiviruses are found in humans and cause respiratory disease in humans.;
Alternative definition : CDISC: Any viral organism that can be assigned to the genus Rubivirus.;