Table 3. Vaccine effectiveness (VE) of one dose MMR.
| age group | MMR status | N | mumps cases(N) | VE(%,95% CI) |
|---|---|---|---|---|
| 1.5–2 years | MMR vaccinatied | 153 | 12 | 84.3(30.5,96.5) |
| MMR unvaccinatied | 2 | 1 | ||
| 3–5 years | MMR vaccinatied | 230 | 24 | 75.7(38.0,90.4) |
| MMR unvaccinatied | 7 | 3 |
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