TABLE 1.

Coronaviruses, hosts, diseases, and receptors

Group	Virus	Host	Disease(s) caused	Cellular receptor
I	229E	Human	Respiratory infection	Human APN
	TGEV	Pig	Respiratory and enteric infection	Porcine APN
	PRCoV	Pig	Respiratory infection	Porcine APN
	Canine coronavirus		Enteric infection	Canine APN
	FeCoV		Enteric infection	Feline APN
	FIPV	Cat	Respiratory, enteric, and neurologic infection, and hepatitis	Feline APN
	NL-63	Human	Respiratory infection, croup	ACE2
II	OC43	Human	Respiratory infection and possibly enteric infection	Neu5,9Ac2-containing moiety
	MHV	Mouse	Enteric and neurologic infection and hepatitis	Murine CEACAM1
	Sialodacryoadenitis coronavirus	Rat	Neurologic infection	NDa
	Hemagglutinating encephalomyocarditis virus	Pig	Respiratory, enteric, and neurologic infection	Neu5,9Ac2-containing moiety
	BCoV	Cow	Enteric infection	Neu5,9Ac2-containing moiety
	HKU1	Human	Respiratory infection
	SARS-CoV	Human	Severe acute respiratory syndrome	ACE2
III	IBV	Chicken	Respiratory infection, hepatitis, other	ND
	Turkey coronavirus	Turkey	Respiratory and enteric infection	ND

^aND, not determined.