Table 1. Characteristics of reported mumps cases, Orange County, New York, 2009–2010 (n = 790).
| Characteristics | n (%) |
|---|---|
| Age (y) | |
| <1 | 6 (0.8) |
| 1–5 | 60 (7.6) |
| 6–10 | 186 (23.5) |
| 11–17 | 338 (42.8) |
| 18–24 | 117 (14.8) |
| 25–34 | 55 (7.0) |
| ≥35 | 28 (3.5) |
| Sex | |
|---|---|
| Female | 282 (35.7) |
| Male | 508 (64.3) |
| Documented Vaccine History (n = 658) | |
|---|---|
| 0 dose | 44 (6.7) |
| 1 dose | 64 (9.7) |
| 2 doses | 550 (83.6) |
| Clinical Presentation and Complications | |
|---|---|
| Parotitis | 790 (100) |
| Orchitis* (n = 312) | 20 (6.4) |
| Meningititis | 2 (0.3)** |
| Hospitalization | 1 |
| Orchitis* and vaccination status | |
|---|---|
| 0 dose (n = 5) | 1 (20) |
| 1 dose (n = 12) | 0 |
| 2 doses (n = 228) | 14 (6.1) |
| Unknown vaccination status (n = 67) | 5 (7.5) |
| Time from vaccination for those who received only 1 dose of MMR vaccine (n = 65) | |
|---|---|
| Median (Range) | 5.5 y (3 mo–34.3 y) |
| <1 y | 4 (6.2) |
| 1–4 y | 27 (41.5) |
| 5–9 y | 20 (30.8) |
| ≥10 y | 14 (21.5) |
| Time from last vaccination for those who received 2 doses of MMR vaccine (n = 532) | |
|---|---|
| Median (Range) | 8.7 y (3 mo–19.7 y). |
| <1 y | 9 |
| 1–4 y | 97 (18.2) |
| 5–9 y | 221 (41.5) ± |
| 10–14 y | 168 (31.6) |
| 15–19 y | 37 (7.0) |
| Reported Source of transmission (n = 599) | |
|---|---|
| School | 430 (71.8) |
| Household/Family | 135 (22.5) |
| Religious gathering | 12 (2) |
| Workplace | 11 (1.8) |
| Community | 5 (0.8) |
| Unknown | 3 (0.5) |
| Outside the community | 2 (0.3) |
| Medical | 1 (0.2) |
| Laboratory: Serology |
| IgM Positive (n = 39) Mumps Vaccination status |
|
|---|---|
| 0 dose | 7 (18.0) |
| 1 dose | 2 (5.1) |
| 2 doses | 27 (69.2) |
| Unknown | 3 (7.7) |
*In males ≥12 y of age. **One case-patient had 2 documented doses of MMR vaccine; the other had unknown vaccination status. ±Majority of mumps cases were 11–17 y of age.