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2005 IISAR Data Participation Rates

2005 CHILD Participation Table and Map

Percentage of U.S. Children >4 months and < 6 years with 2+ Immunizations in IIS

In 2005, 56% (or about 13 million) of the U.S. children greater than 4 months less than 6 years of age had 2 or more immunizations in a state or local immunization information system (IIS). Eight states and two cities reported over 95% of their children greater than 4 months and less than 6 years of age with at least two immunizations in the IIS. Ten states and the District of Columbia were approaching the national health objective, with participation of 81%-94%.

Map of this data (printable version) [668 KB]

State/Territory Percentage
Alabama 43
Alaska 43
Arizona 110
Arkansas 105
California 25
Chicago, IL 48
Colorado 57
Connecticut 72
DC 105
Delaware 81
Florida 50
Georgia 63
Hawaii 0
Houston, TX 63
Idaho 85
Illinois 72
Indiana 71
Iowa 89
Kansas 7
Kentucky 0
Louisiana 81
Maine 65
Maryland 49
Massachusetts 7
Michigan 102
Minnesota 77
Mississippi 104
Missouri 81
Montana 86
Nebraska 25
Nevada 51
New Hampshire 0
New Jersey 29
New Mexico 71
New York 100
New York City, NY 11
North Carolina 0
North Dakota 107
Ohio 50
Oklahoma 89
Oregon 108
Pennsylvania 5
Philadelphia, PA 95
Rhode Island 91
San Antonio, TX 74
South Carolina 67
South Dakota 62
Tennessee 81
Texas 79
Utah 88
Vermont 52
Virginia 0
Washington 86
West Virginia 73
Wisconsin 100
Wyoming 61

Footnotes

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 2005 Census for each state and city.

Source: Immunization Registry Annual Report, CY2005.

2005 PUBLIC PROVIDER Participation Table and Map

Percentage of Public Providers Participating in IIS by Grantee

An average of 75% of public immunization provider sites submitted data to their IIS during the last six months of 2005. Twenty-two (39%) grantees reported that >95% of public provider vaccination sites submitted immunization data to an IIS; 8 (14%) reported submission of immunization data by 81%-94% of public provider vaccination sites. These results are based on self reported data from CDC immunization grantees.

Map of this data (printable version) [633 KB]

State/Territory/Territ Percentage
Alabama 43
Alaska 66
Arizona 78
Arkansas 100
California 60
Chicago, IL 37
Colorado 80
Connecticut 100
District of Columbia 90
Delaware 91
Florida 100
Georgia 100
Hawaii No IIS
Houston, TX 83
Idaho 80
Illinois 100
Indiana 86
Iowa 75
Kansas 23
Kentucky No IIS
Louisiana 100
Maine 49
Maryland 90
Massachusetts 50
Michigan 100
Minnesota 96
Mississippi 100
Missouri 77
Montana 82
Nebraska 100
Nevada 49
New Hampshire No IIS
New Jersey 67
New Mexico 5
New York 100
New York City, NY 36
North Carolina 42
North Dakota 100
Ohio 70
Oklahoma 98
Oregon 100
Pennsylvania 51
Philadelphia, PA 100
Rhode Island 100
San Antonio, TX 100
South Carolina 100
South Dakota 67
Tennessee 100
Texas 59
Utah 65
Vermont 56
Virginia 96
Washington 91
West Virginia 98
Wisconsin 100
Wyoming 94

Footnotes

Qualifier: reported annual fluctuations in public provider participation may be due to programmatic and/or technical changes to the immunization information system.

Source: Immunization Registry Annual Report, CY2005.

2005 PRIVATE PROVIDER Participation Table and Map

Percentage of Private Provider Sites Actively Participating in IIS by Grantee

An average of 44% of private provider sites submitted data to the Immunization Information System (IIS) during the last six months of 2005. Five states and two cities reported over 95% of their private immunization provider sites submitting data to the IIS. The results are based on self reported data from CDC immunization grantees.

Map of this data (printable version) [483 KB]

State/Territory Percentage
Alabama 3
Alaska 0
Arizona 87
Arkansas 96
California 11
Chicago, IL 6
Colorado 24
Connecticut 100
DC 84
Delaware 97
Florida 33
Georgia 50
Hawaii No IIS
Houston, TX 40
Idaho 72
Illinois 11
Indiana 15
Iowa 59
Kansas 1
Kentucky No IIS
Louisiana 51
Maine 26
Maryland 17
Massachusetts 2
Michigan 94
Minnesota 53
Mississippi 100
Missouri 11
Montana 63
Nebraska 1
Nevada 14
New Hampshire No IIS
New Jersey 16
New Mexico 0
New York 74
New York City, NY 15
North Carolina 5
North Dakota 99
Ohio 80
Oklahoma 38
Oregon 83
Pennsylvania 2
Philadelpha, PA 95
Rhode Island 69
San Antonio, TX 100
South Carolina 76
South Dakota 100
Tennessee 10
Texas 61
Utah 28
Vermont 27
Virginia 0
Washington 49
West Virginia 69
Wisconsin 90
Wyoming 32

Footnotes

Qualifier: reported annual fluctuations in private provider participation may be due to programmatic and/or technical changes to the immunization information system.

Source: Immunization Registry Annual Report, CY2005.

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