china rattus coronavirus hku24 china rattus coronavirus hku24 china rattus coronavirus hku24 is a species of coronavirus in the genus betacoronavirus. china rattus coronavirus hku24 virus classification (unranked): virus realm: riboviria kingdom: orthornavirae phylum: pisuviricota class: pisoniviricetes order: nidovirales family: coronaviridae genus: betacoronavirus subgenus: embecovirus species: china rattus coronavirus hku24