2001 National Immunization Survey Results - Vaccination Coverage Levels

Results for the NIS conducted from January through December of 2001 showed that the 4-3-1 vaccination coverage level (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 74.9 ( + 3.7%). 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 73.7 ( + 3.8%). Children participating in this study were born from February 1998 through May 2000.


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 75.1% (+ 5.1)
Dallas County 68.9% (+ 5.7)
El Paso County 69.2% (+ 5.3)
Houston, City of 70.5% (+ 6.6)

1 Completion of 4 doses of diphtheria-tetanus-pertussis vaccine, 3 doses of polio vaccine, 1 dose of measles-containing vaccine.

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Last updated September 16, 2016