Table 2. Japanese encephalitis neutralizing antibody and seropositive proportion against P3 strain for participants above 1 year old in Zhejiang, 2015–2016.
| Age Group (y) | No. | P3 GMT (95%CI) |
No. of P3 Seropositive | P3 Seropositive Proportion (%) |
|---|---|---|---|---|
| 1–3 | 89 | 19.29 (15.01, 24.79) | 58 | 65.17 |
| 4–6 | 118 | 12.18 (10.29, 14.42) | 65 | 55.08 |
| 7–14 | 104 | 6.89 (6.08, 7.81) | 23 | 22.12 |
| 15–19 | 93 | 12.55 (9.92, 15.88) | 41 | 44.09 |
| 20–24 | 83 | 12.18 (9.55, 15.53) | 39 | 46.99 |
| 25–34 | 88 | 15.48 (12.63, 18.98) | 57 | 64.77 |
| 35–44 | 80 | 19.68 (15.41, 25.15) | 62 | 77.50 |
| ≥45 | 106 | 17.46 (14.78, 20.62) | 79 | 74.53 |
| Total | 761 | 13.60 (12.62, 14.65) | 424 | 55.72 |
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.