Table 3.

Mosquitos and Swine with Japanese Encephalitis Virus Infection in the Canton of Jing Hong in Yunnan Province, China, 2009–2010

		No. of mosquitoes and swine tested		No. (%) of mosquitoes and swine testing positive
Year	Month	Mosquitoes (50/tube)	Swine brain	C. tritaeniorhynchus	A. sinensis	A. subalbatus	Swine brain
2009	8	75	15	9(12)	3(4.0)	0	1(6.7)
	9	66	20	12(18)	4(6.0)	2(3.0)	5(25)
	10	65	10	10(15)	2(3.0)	1(1.5)	1(10)
2010	8	82	21	8(9.7)	1(1.2)	0	2(9.5)
	9	74	25	10(13.5)	2(2.7)	0	7(28)
	10	68	17	8(11.7)	0	0	4(24)
Total		430	108	57(13.2)	12(2.7)	3(0.7)	20(18.5)

The maximum number of mosquitoes tested per pool was 50.

Other mosquito species tested included C. tritaeniorhynchus, A. sinensis, and A. subalbatus.

Brain tissue from stillborn piglets was collected randomly from several piggeries.