leporid alphaherpesvirus 4 leporid alphaherpesvirus 4 leporid alphaherpesvirus 4 (lehv-4) is a species of virus in the genus simplexvirus, subfamily alphaherpesvirinae, family herpesviridae, and order herpesvirales. leporid alphaherpesvirus 4 virus classification (unranked): virus realm: duplodnaviria kingdom: heunggongvirae phylum: peploviricota class: herviviricetes order: herpesvirales family: herpesviridae genus: simplexvirus species: leporid alphaherpesvirus 4