Table 4 Sero-prevalence of measles by age group, L County, Hu Nan province, China, 2013
Age group (months) | No. of tested | No. of positive | Positive rate (%, 95% CI) | GMT (IU/mL) |
|---|---|---|---|---|
0-1 | 50 | 30 | 60.0 (45.2-73.6) | 163.05 |
2-3 | 37 | 15 | 40.5 (24.8-57.9) | 163.23 |
4-5 | 34 | 10 | 29.4 (15.1-47.5) | 43.27 |
6-7 | 22 | 4 | 18.2 (5.2-40.3) | 27.07 |
8-9 | 20 | 5 | 25.0 (8.7-49.1) | 34.25 |
10-11 | 27 | 10 | 37.0 (19.4-57.6) | 38.9 |
12-23 | 71 | 54 | 76.1 (64.5-85.4) | 360.16 |
24-47 | 91 | 82 | 90.1 (82.1-95.4) | 822.43 |
48-179 | 120 | 115 | 95.8 (90.5-98.6) | 914.99 |
180-419 | 160 | 146 | 91.3 (85.8-95.1) | 743.84 |
Total | 632 | 471 | 74.5 (70.9-77.9) | 359.45 |