Table 1.

Result of OPV coverage assessment in 4 counties of Lincang City, Yunnan Province

County	Investigation site	Age Group (Months)	No. surveyed	Vaccination certificate			OPV immunization history (dose)					OPV Vaccination Rate (%)	OPV Fully Vaccination Rate (%)
				Yes	No	Rate (%)	0	1	2	≥3	Unknown
Linxiang	Market Place	2-12	18	18	0	100.0	0	3	1	14	0	100.0	77.8
		>12	80	80	0	100.0	0	3	8	69	0	100.0	86.3
Zhenkang	Market Place	2-12	5	4	1	80.0	1	1	1	2	0	80.0	40.0
		>12	25	24	1	96.0	0	0	1	24	0	100.0	96.0
	Mengpeng Township	2-12	6	6	0	100.0	0	1	2	3	0	100.0	50.0
		>12	27	26	1	96.3	0	0	3	24	0	100.0	88.9
	Mengdui Township	2-12	6	6	0	100.0	0	3	0	3	0	100.0	50.0
		>12	24	24	0	100.0	0	0	0	24	0	100.0	100.0
Cangyuan	Market Place	2-12	12	10	2	83.3	0	1	1	10	0	100.0	83.3
		>12	49	46	3	93.9	0	1	0	48	0	100.0	98.0
	Mengjiao Town	2-12	4	4	0	100.0	1	0	0	3	0	75.0	75.0
		>12	26	26	0	100.0	0	1	0	25	0	100.0	96.2
Gengma	Market Place	2-12	6	6	0	100.0	0	0	0	6	0	100.0	100.0
		>12	23	23	0	100.0	0	1	1	21	0	100.0	91.3
	Hepai Town	2-12	1	1	0	100.0	0	0	0	1	0	100.0	100.0
		>12	28	28	0	100.0	0	0	0	28	0	100.0	100.0
	Mengding Town	2-12	7	6	1	85.7	0	2	2	3	0	100.0	42.9
		>12	18	18	0	100.0	0	1	1	16	0	100.0	88.9
Total		2-12	65	61	4	93.8	2	11	7	45	0	96.9	69.2
		>12	300	295	5	98.3	0	7	14	279	0	100.0	93.0