ndumu virus ndumu virus ndumu virus is an rna virus in the genus alphavirus. it was first isolated in 1961 from culicine mosquitoes collected in northern natal, union of south africa. ndumu virus an image of a culicine mosquito virus classification (unranked): virus realm: riboviria kingdom: orthornavirae phylum: kitrinoviricota class: alsuviricetes order: martellivirales family: togaviridae genus: alphavirus species: ndumu virus