elephantid betaherpesvirus 5 elephantid betaherpesvirus 5 elephantid betaherpesvirus 5 (elhv-5) is a species of virus in the genus proboscivirus, subfamily betaherpesvirinae, family herpesviridae, and order herpesvirales. elephantid betaherpesvirus 5 virus classification (unranked): virus realm: duplodnaviria kingdom: heunggongvirae phylum: peploviricota class: herviviricetes order: herpesvirales family: herpesviridae genus: proboscivirus species: elephantid betaherpesvirus 5