what is mumps virus
Mumps virus. From Wikipedia, the free encyclopedia. Mumps virus is the causative agent of mumps, a well-known common childhood disease characterised by swelling of the parotid glands, salivary glands and other epithelial tissues, causing high morbidity and in some cases more serious complications such as deafness.he mumps virus belongs to the genus Rubulavirus in the family Paramyxovirus and is seen to have a roughly spherical, enveloped morphology of about 200 nm in diameter. It contains a linear, single-stranded molecule of negative-sense RNA 15,384 nucleotides long.