Table 2 Mumps attack rate per school for all children and for unvaccinated children
From: The role of schools in the spread of mumps among unvaccinated children: a retrospective cohort study
| Â | All children | Unvaccinated children | ||||
|---|---|---|---|---|---|---|
School | N | Attack rate (%) | 95% CI | N | Attack rate (%) | 95% CI |
A | 504 | 66 | 62-70 | 443 | 75 | 71-79 |
B | 344 | 63 | 58-68 | 295 | 72 | 67-77 |
C | 272 | 5 | 3- 8 | 28 | 32 | 15-49 |
D | 71 | 1 | 0- 4 | 3 | 0 | - |
Total | 1191 | 47 | 45-50 | 769 | 72 | Â |