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Adult Immunizations Data

Adult immunization data includes the percent of Iowa residents that received the recommended doses of Tdap, HPV, Pneumococcal, Hepatitis A, and Zoster vaccine, based on recommended age groups. Iowa immunization data and rates are available in interactive maps and tables by vaccine and completed vaccine series.

These data provide immunization rates based upon a standard vaccination series identified by the Advisory Committee on Immunization Practices (ACIP) and the Centers for Disease Control and Prevention (CDC). These data can be used to identify trends and patterns in immunization coverage over time and in different geographic areas.

The Iowa Immunization Program uses data from the Immunization Registry Information System (IRIS) to calculate county and state immunization rates for adults. This data includes patients served by both public and private healthcare providers with a record in IRIS that have a zip code and are an “active” patient within a healthcare provider organization. The Year selected in the visualization will include adults within that age group in that year.

Adult Immunizations
1 Tdap - Age 19-64 Years

The tetanus, diphtheria and pertussis (Tdap) vaccine is recommended to protect adults and those around them against whooping cough. Adults should routinely receive a tetanus and diphtheria (Td) vaccine booster every 10 years.

1 Tdap: One or more doses of tetanus-diphtheria-acellular pertussis vaccine among adults aged 19-64 years.

HPV Complete Series - Age 19-26 Years

The HPV vaccine protects against the most common types of human papillomavirus, which are responsible for 90 percent of cervical cancers and genital warts. In 2017, the ACIP updated the HPV recommendation from a three dose series to a two or three dose series dependent upon the age at vaccine series initiation. Both men and women should receive a complete HPV vaccine series for full protection. HPV vaccination can begin as early as age 9.

HPV Complete: Two or three doses of HPV vaccine depending on age at vaccine series initiation among adults aged 19-26 years.

Hep A Complete Series - Age 19-49 Years

Hepatitis A is a highly contagious liver disease caused by the hepatitis A virus.  All children are eligible to receive HepA vaccine, and adults who were not vaccinated previously and want to be protected against hepatitis A can also get the vaccine. The ACIP recommends two or three dose series, depending on the vaccine trade name.

Hep A Complete: Two or three doses of Hepatitis A vaccine (depending on the vaccine trade name) among adults aged 19-49 years.

Zoster Complete Series - Age 50+ Years

Shingles is a disease that causes a painful rash often with blisters and may lead to long-term nerve pain. Age and problems with the immune system may increase the risk of developing shingles. The ACIP updated the Zoster recommendation at the end of 2017 from one Zostavax vaccine dose for individuals aged 60 years and older to two Shingrix vaccine doses for individuals aged 50 and older regardless of prior Zoster vaccine receipt.

Zoster Complete: Two Shingrix vaccine doses among adults aged 50 years and older.

Hep B Complete Series - Age 19-59 Years

Hepatitis B is a vaccine-preventable liver infection caused by the hepatitis B virus.  All children are eligible to receive the HepB vaccine, and adults who were not vaccinated previously and want to be protected can also get the vaccine. The ACIP recommends two, three, or four dose series, depending on the vaccine trade name.

Hep B Complete: Two, three, or four doses of Hepatitis B vaccine (depending on the vaccine trade name) among adults aged 19-59 years.

Influenza Annual Influenza data available on a separate page for all ages. Adults are recommended to receive an annual influenza vaccine.
COVID-19 COVID-19 vaccine data is available on a separate page for all ages. Adults are recommended to receive the COVID-19 vaccine.
 

Measure Description:
  • Number of Immunized Patients: The number of Iowa residents recorded in IRIS that have received a dose or completed a specific vaccine series in a certain age range.
  • Patients in IRIS: The number of patient records in IRIS.
  • County Adult Census Population: The Number of adults in the County, based on Census estimates.
Measure Calculations:
  • Rate of Immunization by IRIS Population: The Number of Immunized Patients divided by the number of same-aged adults and geographic area recorded in IRIS.
  • Rate of Immunization by County Population: The Number of Immunized Patients divided by the County Adult Census Population.
  • Census Population with IRIS Record: The percent of the Census population with a patient record in IRIS, calculated as the number of patient records in IRIS divided by the county Census population. This measure demonstrates the completeness of IRIS data and representation of the county population in IRIS.

Use the tabs to see the different data visualizations.

Measures are defined above the visualization. Additional help can be found in the Help Section.

To download a data table click on the Title Text of the data table, click "Download" on the right below the data visualization, click "Crosstab" from the listed file formats, and click "Download". A '.csv' file will then download and can be opened in a text or spreadsheet application.