Before discussing the animal origins of HCoV, it will be helpful to discuss the definitions and characteristics of the evolutionary, natural, reservoir, intermediate, and enhancer hosts of HCoV.
Kabla ya kutolewa kwa aina ya kwanza ya HCoV-229E aina ya B814 kutoka kwa majimaji yaliyotoka puani mwa wagonjwa waliopata homa kali, virusi mbalimbali vya CoV vimetoewa katika wanyama mbalimbali walioambukizwa, wakiwemo bata mzinga, panya, ng&apos;ombe, nguruwe, paka na mbwa.