National Immunization Survey (NIS)-Vaccination Coverage Levels


Table of Contents


National Immunization Survey-Child (NIS-Child) 2017, Texas 

Immunization coverage among Texas children aged 19-35 months
(Full Report)

Source: CDC NIS Report

About the National Immunization Survey (NIS)

The NIS is a national survey conducted annually by the Centers for Disease Control and Prevention to assess immunization levels among pre-school children 19 through 35 months old. The NIS is the only population-based survey to provide national, state, local area, and territorial estimates of vaccination coverage among children in the United States. This study collects data by administering telephone surveys to randomly selected households. To ensure the accuracy and precision of the vaccination coverage estimates, immunization data for surveyed children are also collected through a mail survey of their pediatricians, family physicians, and other health care providers. The parents and guardians of eligible children are asked during the telephone interview for consent to contact the children’s vaccination providers. Types of immunizations, dates of administration, and additional data about facility characteristics are requested from immunization providers that are identified during the telephone survey of households. Data are weighted to be representative of the population of children 19 through 35 months of age, and are adjusted for multiple phone lines, mixed telephone lines (i.e., landline and cellular), household nonresponse, and the exclusion of phoneless households. There is another survey, called the NIS-Teen, which assesses immunization levels among teens 13-17 years of age.

The NIS provides national and state estimates of vaccination coverage, including new vaccines as they are licensed and recommended for use. The survey also tracks progress towards  Healthy People 2020 goals

Survey Sample

The survey assessed the immunization histories of approximately 15,000 children in the United States, aged 19 through 35 months with provider-reported vaccination records. These children were born January 2014 through May 2016.

Vaccines Included

The NIS collects information on the following vaccine series to assess the percent of children that are up to date with routinely recommended vaccinations:

  • Diphtheria and tetanus toxoids and acellular pertussis vaccine (DTaP/DT/DTP)
  • Poliovirus vaccine (Polio)
  • Measles or Measles-Mumps-Rubella vaccine (MMR)
  • Haemophilus influenzae type b vaccine (Hib)
  • Hepatitis B vaccine (HepB)
  • Varicella vaccine (Var)
  • Pneumococcal conjugate vaccine (PCV)
  • Rotavirus vaccine (ROT)
  • Hepatitis A vaccine (HepA)
  • Influenza vaccine (reported separately through NIS-Flu)
  • 4:3:1:3:3:1:4 series
    • ≥4 doses of DTaP
    • ≥3 doses of Polio
    • ≥1 dose of MMR
    • ≥3 doses of Hib (3 or 4 doses depending on the vaccine type)
    • ≥3 doses of HepB
    • ≥1 dose of Var
    • ≥4 doses of PCV

The 4:3:1:3:3:1:4 series is a marker reflecting coverage for seven key vaccine series combined. The 4:3:1:3:3:1:4 series is a representation of overall compliance for vaccines recommended by the Advisory Committee on Immunization Practices (ACIP) for children ages 19-35 months of age.  

2017 NIS Coverage Estimates 

NIS-Child Immunization Coverage Levels in Texas and U.S., 2016-2017  
 Vaccine  U.S. National Average 2017 
Texas 2016
 Texas 2017 
 ≥4 doses of DTaP 
 83.2% 
 81.3%  81.2%
 ≥3 doses of Polio  92.7% 
 90.1%  93.1%
 ≥1 dose of MMR   
 91.5%  89.8%  90.3%
 Hib   
 80.7% 
 80.0%  80.9%
 ≥3 doses of HepB   
 91.4%  88.3%  90.1%
 HepB birth dose§   
 71.4%  76.4%  76.3%
 ≥1 dose of Var   
 91.0%  90.4%  89.1%
 ≥4 doses of PCV   
 82.4%  82.4%  83.0%
 ≥2 doses of HepA   
 59.7%  60.5%  62.7%
 Rotavirus   
 73.2%  72.7%  76.0%
 4:3:1:3:3:1:4 series*   
 70.4%  69.5%  67.8%

† 3 or 4 doses of Hib vaccine, depending on vaccine type. 
§ Coverage estimates by birth cohort. Estimates presented are for children born in 2012-2015. 
¶ 2 or 3 doses, depending on vaccine type. 
† 3 or 4 doses of Hib vaccine, depending on vaccine type. 
*4+ DTaP, 3+ polio, 1+ MMR, 3 or 4 doses Hib, depending on vaccine type, 3+ HepB, 1+ Var, and 4+    

 

NIS Vaccination Coverage Levels

  NIS-Child Immunization Coverage All Immunizations, 2017   
 3 or 4 doses of Hib vaccine, depending on vaccine type.
*4+ DTaP, 3+ polio, 1+ MMR, 3 or 4 doses Hib, depending on vaccine type, 3+ HepB, 1+ Var, and 4+ PCV.

  
NIS-Child Immunization Coverage estimates with 95% Confidence Intervals for the 4:3:1:3:3:1:4 Series in the U.S., Texas. And Local Jurisdictions, 2017 
U.S. National Texas City of Houston 
Bexar County El Paso County Dallas County 
Travis County
Percentage Vaccinated 70.4% (±1.5%) 
67.8% (±3.5%) 
74.3% (±9.1%) 
75.6% (±6.5%) 
 66.2 (±8.0%) 65.6% (±8.9%) 
66.7% (±6.9%) 

 3 or 4 doses of Hib vaccine, depending on vaccine type.


 For access to the full dataset, please see the CDC Data and Documentation for NIS Surveys page.


 

Archived Survey Results

View survey results from prior years:

    Last updated October 18, 2019