Table 1. Japanese encephalitis neutralizing antibody and seropositive proportion against P3 strain for participants under 1 year old in Zhejiang, 2015–2016.

Age Group (m)	No.	P3 GMT (95%CI)	No. of P3 Seropositive	P3 Seropositive Proportion(%)
<1	58	9.49 (7.78, 11.56)	22	37.93
1	57	7.31 (6.05, 8.85)	14	24.56
2	52	6.17 (5.29, 7.2)	7	13.46
3	53	5.64 (5.04, 6.31)	5	9.43
4	33	5.99 (4.98, 7.2)	4	12.12
5	29	6.23 (5.02, 7.73)	4	13.79
6	23	6.30 (4.9, 8.09)	3	13.04
7	23	6.30 (4.89, 8.11)	3	13.04
8	24	5.81 (4.75, 7.11)	2	8.33
9	24	5.26 (4.81, 5.75)	1	4.17
10	29	5.53 (4.86, 6.29)	2	6.90
11	24	5.70 (4.76, 6.82)	2	8.33
Total	429	6.36 (6.01, 6.73)	69	16.08

Note: No. means the number of participants in the corresponding category; P3 means P3 strain of JEV; No. of P3 Seropositive means the number of participants who were seropositive against P3 strain; P3 seropositive proportion (%) means the proportion of participants with seropositive antibody level against P3 strain.