IgacovirusIgacovirus is a subgenus of viruses in the genus Gammacoronavirus.SpeciesThe subgenus contains the following species, listed by scientific name and followed by the exemplar virus of the species:Gammacoronavirus anatis, Duck coronavirus 2714Gammacoronavirus galli, Infectious bronchitis virusGammacoronavirus pulli, Avian coronavirus 9203