Volume 9, Number 1—January 2003
Research
Texas Lifestyle Limits Transmission of Dengue Virus
Table 1
Seroprevalence of anti-dengue immunoglobulin G (IgG) and IgM antibodies in Nuevo Laredo, Mexico, and Laredo, Texas, United States
| Nuevo Laredo | Laredo | |
|---|---|---|
| Households | 313 | 309 |
| Serum samples | 288 | 228 |
| IgM prevalence | 16% (12 to 20)a | 1.3% (0 to 3)a |
| IgG prevalence | 48% (41 to 55)a | 23% (17 to 28)a |
aWeighted point estimate and (95% confidence interval).
1The investigation plan was reviewed by the Human Subjects Coordinator at the National Center for Infectious Diseases, Centers for Disease Control and Prevention, and determined to be a public health response that did not require further human subjects review. Blood samples were taken only from consenting adults.


