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2010 IISAR Data Participation Rates

Child, adolescent, and adult participation rates in IIS are reported for the 2010 IISAR to monitor progress toward Healthy People 2020 objectives and program initiatives. For a discussion on the calculation and reporting of provider site participation rates in IIS, please see the 2010 Immunization Information System progress report in Morbidity and Mortality Weekly Report

2010 CHILD Participation Table and Map

Percentage of U.S. Children < 6 years with 2+ Immunizations in IIS

Percentage of children aged <6 years participating in an immunization information system (IIS) in the United States (including all 50 states, five cities, the District of Columbia, and eight Territories*) in 2010.

National coverage: 82% (excluding territories)

Map of this data (printable version) [319 KB, 1 page]

State/City Percentage
Alabama 97%
Alaska 50%
Arizona 113%
Arkansas 94%
California 61%
Chicago, IL** 47%
Colorado 93%
Connecticut 75%
DC 120%
Delaware 98%
Florida 106%
Georgia 117%
Hawaii 3%
Houston, TX** 62%
Idaho 97%
Illinois 75%
Indiana 80%
Iowa 96%
Kansas 69%
Kentucky 51%
Louisiana 110%
Maine 81%
Maryland 42%
Massachusetts no report
Michigan 101%
Minnesota 103%
Mississippi 108%
Missouri 69%
Montana 90%
Nebraska 37%
Nevada 91%
New Hampshire no IIS
New Jersey 73%
New Mexico 110%
New York 88%
New York City, NY** 121%
North Carolina 102%
North Dakota 104%
Ohio 100%
Oklahoma 94%
Oregon 106%
Pennsylvania 30%
Philadelphia, PA** 115%
Rhode Island 105%
San Antonio, TX** 88%
South Carolina 54%
South Dakota 101%
Tennessee 81%
Texas 83%
Utah 88%
Vermont 90%
Virginia 75%
Washington 100%
West Virginia 96%
Wisconsin 102%
Wyoming 92%

Footnotes

* American Samoa (no data), Marshall Islands (75%), Federated States of Micronesia (105%), Guam (52%), N. Mariana Islands (113%), Palau (no data), Puerto Rico (93%), and Virgin Islands (no IIS).

** City-based IIS participation rates are reported separately from their respective states; state rates do not include city data in their values.

Qualifier: reported annual fluctuations in child participation may be due to programmatic and/or technical changes to the immunization information system. The denominator used to calculate child participation numbers are drawn from the 2010 Census for each state and city.

Source: Immunization Information System Annual Report, CY2010

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2010 ADOLESCENT Participation Table and Map

Percentage of U.S. Adolescents 11-17 years with 2+ Adolescent Immunizations in IIS

Percentage of adolescents aged 11-17 years participating in an immunization information system (IIS) in the United States (including all 50 states, five cities, the District of Columbia, and eight Territories*) in 2010.

National coverage: 60% (excluding territories)

Map of this data (printable version) [719 KB, 1 page]

State/City Percentage
Alabama 103%
Alaska 30%
Arizona 74%
Arkansas 117%
California 41%
Chicago, IL** 5%
Colorado 27%
Connecticut No Data
DC 109%
Delaware 107%
Florida 123%
Georgia 128%
Hawaii 7%
Houston, TX** 24%
Idaho 25%
Illinois 8%
Indiana 59%
Iowa 95%
Kansas 77%
Kentucky 10%
Louisiana 75%
Maine 79%
Maryland 49%
Massachusetts No Data
Michigan 66%
Minnesota 98%
Mississippi 25%
Missouri 86%
Montana 31%
Nebraska 14%
Nevada 116%
New Hampshire No IIS
New Jersey 41%
New Mexico 61%
New York 75%
New York City, NY** 49%
North Carolina 60%
North Dakota 69%
Ohio 72%
Oklahoma 107%
Oregon 121%
Pennsylvania 17%
Philadelphia, PA** 110%
Rhode Island 86%
San Antonio, TX** 114%
South Carolina 12%
South Dakota 34%
Tennessee 81%
Texas 36%
Utah 119%
Vermont 75%
Virginia 77%
Washington 64%
West Virginia 36%
Wisconsin 105%
Wyoming 61%

Footnotes

* American Samoa (no data), Marshall Islands (0%), Federated States of Micronesia (99%), Guam (56%), N. Mariana Islands (134%), Palau (no data), Puerto Rico (93%), and Virgin Islands (no IIS).

** City-based IIS participation rates are reported separately from their respective states; state rates do not include city data in their values.

Source: Immunization Information System Annual Report, CY2010

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2010 ADULT Participation Table and Map

Percentage of U.S. Adults 19+ years with 1+ Adult Immunizations in IIS

Percentage of adults aged 19+ years participating in an immunization information system (IIS) in the United States (including all 50 states, five cities, the District of Columbia, and eight Territories*) in 2010.

National coverage: 22% (excluding territories)

Map of this data (printable version) [719 KB, 1 page]

State/City Percentage
Alabama 38%
Alaska 36%
Arizona 26%
Arkansas 45%
California 2%
Chicago, IL** 0%
Colorado 28%
Connecticut No Data
DC 43%
Delaware 8%
Florida 42%
Georgia 49%
Hawaii 2%
Houston, TX** 0%
Idaho 22%
Illinois 3%
Indiana 29%
Iowa 59%
Kansas 38%
Kentucky 0%
Louisiana 27%
Maine 13%
Maryland 5%
Massachusetts No Data
Michigan 25%
Minnesota 82%
Mississippi 31%
Missouri 28%
Montana 31%
Nebraska 6%
Nevada 42%
New Hampshire No IIS
New Jersey 2%
New Mexico 24%
New York 4%
New York City, NY** 4%
North Carolina 26%
North Dakota 61%
Ohio 11%
Oklahoma 27%
Oregon 43%
Pennsylvania 9%
Philadelphia, PA** 3%
Rhode Island No Data
San Antonio, TX** 49%
South Carolina 48%
South Dakota 39%
Tennessee 13%
Texas 0%
Utah 58%
Vermont 3%
Virginia 40%
Washington 53%
West Virginia 29%
Wisconsin 115%
Wyoming 43%

Footnotes

* American Samoa (no data), Marshall Islands (0%), Federated States of Micronesia (17%), Guam (13%), N. Mariana Islands (106%), Palau (no data), Puerto Rico (28%), and Virgin Islands (no IIS).

** City-based IIS participation rates are reported separately from their respective states; state rates do not include city data in their values.

Source: Immunization Information System Annual Report, CY2010

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