munia coronavirus hku13 munia coronavirus hku13 munia coronavirus hku13 is a species of coronavirus in the genus deltacoronavirus. munia coronavirus hku13 virus classification (unranked): virus realm: riboviria kingdom: orthornavirae phylum: pisuviricota class: pisoniviricetes order: nidovirales family: coronaviridae genus: deltacoronavirus subgenus: buldecovirus species: munia coronavirus hku13