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2002 IISAR Data Participation Rates

2002 CHILD Participation Table and Map

Percentage of U.S. Children >4 months and <6 years with 2+ Immunizations in Immunization Information Systems (IIS), 2002

50 states, 6 large cities, and the 8 territories/commonwealths are developing and implementing registries or planning on developing immunization registries in the near future. In 2002, 43% of the U.S. children less than 6 years of age had 2 or more immunizations in a state or local immunization registry.

CDC measures child participation in a registry by the number of children with at least 2 immunizations in a registry because we need to be sure that at least one immunization was reported to the registry by a health provider. Many infants receive their first Hepatitis B vaccination at birth and this information downloads into many registries through an electronic birth certification record and ensures that many children in the registry have at least one immunization recorded.

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

State Percentage
Alabama 77
Alaska 55
Arizona 98
Arkansas 91
California 19
Colorado 15
Connecticut 61
DC 88
Delaware 81
Florida 28
Georgia 13
Hawaii 45
Idaho 59
Illinois 51
Indiana 43
Iowa 45
Kansas 5
Kentucky 0
Louisiana 45
Maine 41
Maryland 10
Massachusetts 6
Michigan 94
Minnesota 36
Mississippi 99
Missouri 65
Montana 43
Nebraska 27
Nevada 47
New Hampshire 3
New Jersey 15
New Mexico 0
New York 53
North Carolina 61
North Dakota 95
Ohio 18
Oklahoma 80
Oregon 94
Pennsylvania 16
Rhode Island 79
South Carolina 79
South Dakota 100
Tennessee 78
Texas 50
Utah 54
Vermont 0
Virginia 27
Washington 65
West Virginia 63
Wisconsin 78
Wyoming 6

Footnotes

50 states, 6 large cities, and the 8 territories/commonwealths are developing and implementing IIS or planning on developing IIS in the near future. Of the states with 0-33%, seven (14%) have regional or community IIS and six (11%) were planning/piloting a state-wide system (Colorado, Kansas, Nebraska, Vermont, New Mexico, and Wyoming). In 2002, 43% of the U.S. children less than 6 years of age had 2 or more immunizations in a state or local IIS.

CDC measures child participation in an IIS by the number of children with at least 2 immunizations in an IIS because we need to be sure that at least one immunization was reported to the IIS by a health provider. Many infants receive their first Hepatitis B vaccination at birth and this information downloads into many IIS through an electronic birth certification record and ensures that many children in the IIS have at least one immunization recorded.

Source: Immunization Registry Annual Report, CY2002.

2002 PUBLIC PROVIDER Participation Table and Map

Public Provider Participation in Immunization Information Systems (IIS), 2002

In the 44 states that operate registries regionally or state-wide, an average of 75% of public immunization provider sites submitted data to their registry during the last six months of 2002. These data are based on self reported data from CDC immunization grantees.

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

State Percentage
Alabama 47
Alaska 100
Arizona 55
Arkansas 100
California 51
Colorado 37
Connecticut 100
DC 68
Delaware 58
Florida 100
Georgia 32
Hawaii 100
Idaho 100
Illinois 100
Indiana 59
Iowa 100
Kansas 0
Kentucky 0
Louisiana 100
Maine 32
Maryland 2
Massachusetts 4
Michigan 100
Minnesota 75
Mississippi 100
Missouri 98
Montana 29
Nebraska 100
Nevada 100
New Hampshire 2
New Jersey 58
New Mexico 0
New York 87
North Carolina 27
North Dakota 100
Ohio 48
Oklahoma 97
Oregon 90
Pennsylvania 41
Rhode Island 100
South Carolina 100
South Dakota 100
Tennessee 100
Texas 20
Utah 98
Vermont 0
Virginia 100
Washington 72
West Virginia 100
Wisconsin 100
Wyoming 100

Footnotes

National Average = 75%

In the 44 states that operate IIS regionally or state-wide, an average of 75% of public immunization provider sites submitted data to their IIS during the last six months of 2002. These data are based on self reported data from CDC immunization grantees.

Source: Immunization Registry Annual Report, CY2002.

2002 PRIVATE PROVIDER Participation Table and Map

Percentage of Private Provider Sites Actively Participating in Immunization Information Systems, 2002

In the 44 states that operate registries regionally or state-wide, an average of 31% of private provider sites submitted data to the registry during the last six months of 2002. Arkansas, Connecticut, the District of Columbia, Mississippi, North Dakota, Oregon, and South Dakota reported over 75% of their private vaccination provider sites submitting data to the registry. These data are based on self reported data from CDC immunization grantees.

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

State/Territory Percentage
Alabama 0
Alaska 0
Arizona 53
Arkansas 100
California 11
Chicago, IL 0
Colorado 0
Connecticut 100
DC 77
Delaware 43
Florida <1
Georgia 33
Hawaii 68
Idaho 50
Illinois 4
Indiana <1
Iowa 10
Kansas 0
Kentucky 0
Louisiana 10
Maine 16
Maryland 9
Massachusetts <1
Michigan 59
Minnesota 34
Mississippi 100
Missouri 9
Montana 0
Nebraska 0
Nevada 17
New Hampshire 3
New Jersey 2
New Mexico 0
New York 40
North Carolina 0
North Dakota 93
Ohio 5
Oklahoma 27
Oregon 83
Pennsylvania 17
Rhode Island 38
South Carolina 50
South Dakota 100
Tennessee 1
Texas 12
Utah 33
Vermont 0
Virginia 0
Washington 14
West Virginia 2
Wisconsin 49
Wyoming 0

Footnotes

National Average = 31%

Source: Immunization Registry Annual Report, CY2002.

*: % of provider sites reporting to the registry within the last six months of 2002.

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