saimiriine betaherpesvirus 4 saimiriine betaherpesvirus 4 saimiriine betaherpesvirus 4 (sahv-4) is a species of virus in the genus cytomegalovirus, subfamily betaherpesvirinae, family herpesviridae, and order herpesvirales. saimiriine betaherpesvirus 4 virus classification (unranked): virus realm: duplodnaviria kingdom: heunggongvirae phylum: peploviricota class: herviviricetes order: herpesvirales family: herpesviridae genus: cytomegalovirus species: saimiriine betaherpesvirus 4