ovine gammaherpesvirus 2 ovine gammaherpesvirus 2 ovine gammaherpesvirus 2 (ovhv-2) is a species of virus in the genus macavirus, subfamily gammaherpesvirinae, family herpesviridae, and order herpesvirales. ovine gammaherpesvirus 2 virus classification (unranked): virus realm: duplodnaviria kingdom: heunggongvirae phylum: peploviricota class: herviviricetes order: herpesvirales family: herpesviridae genus: macavirus species: ovine gammaherpesvirus 2