Table 1.
Case onset dates, epidemiological links, case classification and genotype, measles outbreak, South East Ireland, September to November 2013 (n = 20)
| Case no. | Onset date (2013) | Epidemiological link | Class* or childcare facility | Case classification and genotype† | Vaccination status (time of onset) |
|---|---|---|---|---|---|
| 1 | 14 Sept. | Index case | E | Probable | 1 MMR |
| 2 | 20 Sept. | Junior Infants | F | Confirmed | 1 MMR |
| 3 | 22 Sept. | Class E (cousin case 2) | E | Confirmed | 1 MMR |
| 4 | 22 Sept. | Sibling case 1 | Blue | Probable | 1 MMR |
| 5 | 23 Sept. | Class E | E | Confirmed | 1 MMR |
| 6 | 30 Sept. | Class E, neighbour case 3 | E | Confirmed | 1 MMR |
| 7 | 1 Sept. | Uncertain epi-link, possible social contact |
n.a. | Confirmed, D8 | 1 MMR |
| 8 | 4 Oct. | Class E | E | Confirmed | 1 MMR |
| 9 | 6 Oct. | Class E | E | Confirmed, D8 | 1 MMR |
| 10 | 6 Oct. | Class E | E | Confirmed | 1 MMR |
| 11 | 8 Oct. | Class E | E | Confirmed, D8 | 1 MMR |
| 12 | 8 Oct. | Class E | E | Confirmed, D8 | 1 MMR |
| 13 | 8 Oct. | Same childcare facility as case 4 | Blue | Confirmed | 1 MMR |
| 14 | 8 Oct. | Sibling case 5 | Red | Confirmed | 1 MMR |
| 15 | 12 Oct. | Class E | E | Confirmed, D8 | 1 MMR |
| 16 | 15 Oct. | Sibling case 10 | G | Confirmed | 1 MMR |
| 17 | 19 Oct. | Class E | E | Probable | 2nd MMR 18/10, school |
| 18 | 28 Oct. | Class G | G | Confirmed | Unvaccinated |
| 19 | 4 Nov. | Sibling case 18 | Yellow | Confirmed, D8 | Unvaccinated |
| 20 | 8 Nov. | Sibling cases 18 & 19 | Senior infants | Confirmed | Unvaccinated |
* Classes E, F and G are junior infants in school Q.
† Where not given, genotyping not done.