Table 1.
Distribution of Measles time-to-diagnosis since in days (and years) stratified by measles vaccination history, children aged 8 months – 19 years, surveillance and case-control datasets
| Measles Diagnosis Time Since Vaccine | Minimum | Median | Mean | Maximum |
|---|---|---|---|---|
| Case-Control Dataset (2011–2015) | ||||
| Missing/No Dose Information (n = 21) | 247 (0.68) | 518 (1.42) | 1136 (3.11) | 6381 (17.48) |
| 1 Dose Received (n = 13) | 248 (0.68) | 301 (0.82) | 1270 (3.48) | 5657 (15.50) |
| Diagnosis time since vaccination (n = 12)* | 4 (0.01) | 41 (0.08) | 649 (1.78) | 4222 (11.57) |
| At least 2 doses received (n = 12) | 560 (1.53) | 2735 (7.49) | 2434 (6.67) | 4935 (13.52) |
| Diagnosis time since vaccination (n = 12)* | 372 (1.02) | 2349 (6.44) | 2134 (5.86) | 4593 (12.58) |
| Surveillance Dataset (2009–2013) | ||||
| Missing/No Dose Information (n = 76) | 272 (0.75) | 5655 (15.49) | 4011 (10.99) | 6909 (18.93) |
| Non-Vaccinated (n = 321) | 242 (0.66) | 298 (0.82) | 601 (1.65) | 6919 (18.96) |
| 1 Dose Received (n = 114) | 242 (0.66) | 364 (1.00) | 664 (1.82) | 6291 (17.24) |
| Diagnosis time since vaccination (n = 99)* | 0 (0) | 24 (0.07) | 186 (0.51) | 3253 (8.91) |
| At least 2 doses received (n = 48) | 485 (1.33) | 1557 (4.26) | 2439 (6.68) | 6871 (18.82) |
| Diagnosis time since vaccination (n = 33)* | 301 (0.82) | 1192 (3.27) | 1778 (4.87) | 5806 (15.91) |
*
Additionally, for those who received any doses of the measles vaccine, we report the distribution of time-to infection since the first dose of measles vaccine in days (i.e. at approximately 8 months). This was included to clarify the time to infection since initiating the vaccination schedule.