Table 4. Sampling and detection of JE mosquito surveillance in Zhejiang from 2015–2018.

Year	Sites	Total				Culex tritaeniorhynchus
		No. of Individuals	No. of Pools	No. of Positive Pools	RNA Positive Rate (%)	No. of Individuals	No. of Pools	No. of Positive Pools	RNA Positive Rate (%)
2015	Total	13904	190	19	10.00	10129	130	15	11.54
	Xianju	5945	78	10	12.82	2385	24	6	25.00
	Yiwu	7959	112	9	8.04	7744	110	9	8.18
2016	Total	11447	170	22	12.94	10008	154	22	14.29
	Yiwu	6197	100	16	16.00	5208	90	16	17.78
	Jindong	5250	70	6	8.57	4800	64	6	9.38
2017	Total	23789	427	113	26.46	22827	414	111	26.81
	Yiwu	5674	168	61	36.31	5426	164	60	36.59
	Jindong	5320	85	29	34.12	5100	81	29	35.80
	Cixi	7794	101	22	21.78	7300	96	21	21.88
	Jinyun	5001	73	1	1.37	5001	73	1	1.37
2018	Total	38061	708	76	10.73	33968	557	57	10.23
	Cixi	4820	95	8	8.42	4700	94	8	8.51
	Jinyun	14100	282	62	21.99	12500	162	43	26.54
	Yiwu	16341	275	2	0.73	14568	254	2	0.79
	Wuyi	2800	56	4	7.14	2200	47	4	8.51
Total	87201	1495	230	15.38	76932	1255	205	16.33