Table 1.

H9Nx frequencies in different animal species as of September 2019

		Avian												Mammalian
	No.	Chicken	Turkey	Quail	Partridge	Peafowl	Pheasant	Waterfowl	Shorebird	Pigeon	Ostrich	Bustard	Other	Swine	Horse	Mink	Pika	Dog	Bat	Human
H9Nx	2178	1886	0	8	0	0	0	208	14	58	0	0	0	0	0	0	0	0	0	0
H9N1	33	1	0	0	0	1	0	13	17	0	0	0	0	0	0	0	0	0	0	0
H9N2	7250	5850	108	150	35	17	37	616	53	202	10	7	70	55	1	13	1	1	1	23
H9N3	10	0	0	0	0	0	0	4	5	0	0	0	1	0	0	0	0	0	0	0
H9N4	3	0	0	0	0	0	0	2	1	0	0	0	0	0	0	0	0	0	0	0
H9N5	22	0	0	0	0	0	0	1	21	0	0	0	0	0	0	0	0	0	0	0
H9N6	7	0	0	0	0	0	0	4	3	0	0	0	0	0	0	0	0	0	0	0
H9N7	10	0	1	0	0	0	0	1	8	0	0	0	0	0	0	0	0	0	0	0
H9N8	6	1	0	0	0	0	0	3	2	0	0	0	0	0	0	0	0	0	0	0
H9N9	16	2	1	0	0	0	0	0	13	0	0	0	0	0	0	0	0	0	0	0
Total	9535	7740	110	158	35	18	37	852	137	260	10	7	71	55	1	13	1	1	1	23

Sequence data deposited in the Influenza Research Database (fludb.org).

The darker the color green, the higher the number of cases. Transition to orange indicates the greatest number for each H9N? combination.