Table 4 Description of measles clusters in schools and kindergartens.
From: Measles transmission from an anthroposophic community to the general population, Germany 2008
Type of Institution | Anthro-posophic | Week of disease onset of 1st case | Number of cases per cluster (N) | N, after start of respective intervention | Duration of cluster in days (D) | D, after start of respective intervention | Total number of children in institution (I) | Attack rates* in % |
|---|---|---|---|---|---|---|---|---|
Intervention A | Â | Â | Â | Â | Â | Â | Â | |
School | yes | 11 | 2 | 1 | 4 | 0 | 25 | 8.0 |
School | yes | 15 | 6 | 5 | 21 | 20 | 600 | 1.0 |
Kindergarten | no | 17 | 2 | 1 | 10 | 0 | 99 | 2.0 |
Kindergarten | no | 17 | 8 | 7 | 12 | 5 | 50 | 16.0 |
School | no | 23 | 8 | 7 | 37 | 36 | 530 | 1.5 |
School | no | 24 | 2 | 1 | 8 | 0 | 170 | 1.2 |
| Â | Â | Â | Total = 28 | Median = 3 | Â | Median = 3 | Total = 1474 | Mean = 1.9 |
Intervention B | Â | Â | Â | Â | Â | Â | Â | |
Kindergarten | no | 17 | 15 | 13 | 24 | 23 | 72 | 20.8 |
School | no | 18 | 4 | 2 | 10 | 3 | 364 | 1.1 |
School | no | 18 | 15 | 13 | 31 | 28 | 507 | 3.0 |
School | no | 19 | 23 | 21 | 67 | 66 | 787 | 2.9 |
| Â | Â | Â | Total = 57 | Median = 13 | Â | Median = 26 | Total = 1730 | Mean = 3.3 |