Results for the NIS conducted from January through December of 2000 showed that the 4-3-1 vaccination coverage levels (four doses of diphtheria-tetanus-pertussis vaccine, three doses of polio vaccine, and one dose of measles-containing vaccine) for children aged 19 through 35 months in the state of Texas was 69.5 ( + 3.8%). The 4-3-1-3 level (4-3-1 plus 3 doses of Haemophilus influenzae type b vaccine) for the same age group in Texas was 68.5 ( + 3.9%). Children participating in this study were born from February 1997 through May 1999.
4-3-1 Series1 Estimated Coverage among Children 19-35 Months of Age
4-3-1 series estimated coverage among 19-35 month old children
| Geographic Area |
Coverage (95% CI) |
| Bexar County |
68.0% (+ 5.8) |
| Dallas County |
68.9% (+ 5.7) |
| El Paso County |
71.5% (+ 5.3) |
| Houston, City of |
65.4% (+ 6.5) |
1 Completion of 4 doses of diphtheria-tetanus-pertussis vaccine, 3 doses of polio vaccine, 1 dose of measles-containing vaccine.
Source: