Table 4. Samples tested in live poultry markets and those positive for influenza A virus, Hong Kong, China, 2022*.

Month	No. swabs tested	No. markets sampled	No. stalls sampled	No. (%) positive by RT-PCR				No. (%) positive by virus isolation
				H9	H6	H3		H9	H6	H3
Jan	555	25	37		0	2 (0.36)		0	0	2 (0.36)
Feb	435	16	29	6 (1.38)	2 (0.46)	0		4 (0.92)	1 (0.23)	0
Mar	705	34	47	4 (0.57)	0	0		1 (0.14)	0	0
Apr	585	27	39	2 (0.34)	0	0		0	0	0
May	630	25	42	0	0	0		0	0	0
Jun	615	32	41	2 (0.33)	0	0		2 (0.33)	0	0
Total	3,525	159	235	14 (0.40)	2 (0.06)	2 (0.06)		7 (0.20)	1 (0.03)	2 (0.06)

*No other influenza A virus subtypes were detected. RT-PCR, reverse transcription PCR