Table 2.
Age group and vaccination status of reported measles case-patients, by U.S. residence status, United States, 2009–2014 (n= 1261)
| U.S. residents | Foreign visitors | Total | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Unvaccinated n (%) |
Vaccinated n (%) |
Unknown n (%) |
Total n (%) |
Incidence/ million population |
Unvaccinated n (%) |
Vaccinated n (%) |
Unknown n (%) |
Total n (%) |
n (%) | |
| Age group | ||||||||||
| <6 months | 22 (100) | 0 (0) | 0 (0) | 22 (2) | 1.86 | 1 (100) | 0 | 0 | 1 (1) | 23 (2) |
| 6–11 months | 85 (99) | 1 (1) | 0 (0) | 86 (7) | 7.25 | 5 (83) | 0 | 1 (17) | 6 (7) | 92 (7) |
| 12–15 months | 60 (92) | 4 (6) | 1 (2) | 65 (6) | 8.28 | 4 (67) | 1 (17) | 1 (17) | 6 (7) | 71 (6) |
| 16 months through 4 years | 130 (78) | 24 (14) | 12 (7) | 166 (14) | 1.88 | 15 (94) | 1 (6) | 0 (0) | 16 (18) | 182 (14) |
| 5–9 years | 114 (88) | 7 (5) | 8 (6) | 129 (11) | 1.05 | 5 (71) | 1 (14) | 1 (14) | 7 (8) | 136 (11) |
| 10–19 years | 215 (89) | 15 (6) | 13 (5) | 243 (21) | 0.97 | 9 (75) | 0 (0) | 3 (25) | 12 (13) | 255 (20) |
| 20–39 years | 193 (60) | 51 (16) | 79 (25) | 323 (28) | 0.63 | 10 (29) | 3 (9) | 21 (62) | 34 (38) | 357 (28) |
| 40–59 years | 42 (33) | 18 (14) | 68 (53) | 128 (11) | 0.25 | 6 (86) | 0 (0) | 1 (14) | 7 (8) | 135 (11) |
| ≥60 years | 3 (33) | 0 (0) | 6 (67) | 9 (1) | 0.02 | 0 (0) | 0(0) | 1 (100) | 1 (1) | 10 (1) |
| Total* | 864 (74) | 120 (10) | 187 (16) | 1171 (100) | 0.62 | 55 (61) | 6 (7) | 29 (32) | 90 (100) | 1261 (100) |
Note. Data are number of cases in age group (% of that age group constituted by that vaccination status) or total (% of total constituted by age group) or incidence per million population.
*
3 subjects were excluded because they were missing data on age or residency.