Table. Characteristics of pediatric case-patients who had invasive meningococcal disease, Tijuana, Mexico, and San Diego County, California, USA, October 1, 2005–May 31, 2008*.
| Characteristics |
No. (%) patients |
| Tijuana, n = 16 | San Diego County, n = 13 | |
|---|---|---|
| Age, y | ||
| <1 | 2 (12.5) | 6 (46.2) |
| 1–4 | 7 (43.8) | 4 (30.8) |
| 5–11 | 4 (25.0) | 2 (15.4) |
| 12–16 |
3 (18.8) |
1 (7.7) |
| Male sex |
8 (50.0) |
9 (69.2) |
| Race/ethnicity | ||
| Non-Hispanic white | 0 | 6 (46.2) |
| Hispanic | 16 (100) | 3 (23.1) |
| Non-Hispanic black | 0 | 2 (15.4) |
| Asian | 0 | 0 |
| Pacific Islander | 0 | 0 |
| Other/unknown |
0 |
2 (15.4) |
| Month of onset | ||
| November–February | 12 (75.0) | 7 (53.8) |
| March–June | 2 (25.0) | 4 (30.8) |
| July–October |
2 (25.0) |
2 (15.4) |
| Serogroup | ||
| A | 0 | 0 |
| B | 2 (12.5) | 8 (61.5) |
| C | 10 (62.5) | 2 (15.4) |
| Y | 2 (12.5) | 1 (7.7) |
| W135 | 0 | 0 |
| Not typeable | 0 | 0 |
| Not typed |
2 (12.5) |
2 (15.4) |
| Case-fatality rate | 3 (18.8) | 2 (15.4) |
*Tijuana cases from hospital-based estimates and serogroup distribution at Tijuana General Hospital. San Diego County cases taken from those reported to the San Diego County Health and Human Services Agency through electronic laboratory notification or from infection control practitioners.