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Data & Statistics

Annual Summaries

Surveillance for Babesiosis – United States, 2014 (February 29, 2016)

 

Number and incidence of reported cases of babesiosis, by state and year, 2011–2014*

 

2011

2012

2013

2014

State

No.

Rate‡

No.

Rate

No.

Rate

No.

Rate

Alabama

1

<0.1

0

0.0

0

0.0

1

<0.1

Alaska

—§

Arizona

Arkansas

California

1

<0.1

4

<0.1

3

<0.1

3

<0.1

Colorado

Connecticut

74

2.1

123

3.4

268

7.5

205

5.7

Delaware

1

0.1

0

0.0

2

0.2

1

0.1

District of Columbia

Florida

Georgia

Hawaii

Idaho

Illinois

1

<0.1

Indiana

0

0.0

1

<0.1

1

<0.1

0

0.0

Iowa

Kansas

Kentucky

Louisiana

2

<0.1

0

0.0

Maine

9

0.7

10

0.8

36

2.7

42

3.2

Maryland

4

0.1

3

0.1

9

0.2

2

<0.1

Massachusetts

208

3.1

261

3.9

417

6.2

537

8.0

Michigan

0

0.0

0

0.0

2

<0.1

2

<0.1

Minnesota

73

1.4

41

0.8

64

1.2

49

0.9

Mississippi

Missouri

Montana

0

0.0

Nebraska

0

0.0

1

0.1

1

0.1

0

0.0

Nevada

New Hampshire

13

1.0

19

1.4

22

1.7

42

3.2

New Jersey

166

1.9

92

1.0

171

1.9

159

1.8

New Mexico

New York

418

2.1

253

1.3

534

2.7

471

2.4

North Carolina

North Dakota

1

0.1

0

0.0

1

0.1

0

0.0

Ohio

1

<0.1

Oklahoma

Oregon

1

<0.1

0

0.0

0

0.0

1

<0.1

Pennsylvania

Rhode Island

73

6.9

56

5.3

142

13.5

172

16.3

South Carolina

1

<0.1

3

0.1

South Dakota

1

0.1

1

0.1

Tennessee

1

<0.1

0

0.0

0

0.0

0

0.0

Texas

1

<0.1

1

<0.1

Utah

0

0.0

Vermont

2

0.3

2

0.3

6

1.0

3

0.5

Virginia

Washington

0

0.0

0

0.0

1

<0.1

4

0.1

West Virginia

0

0.0

0

0.0

Wisconsin

80

1.4

45

0.8

76

1.3

43

0.7

Wyoming

0

0.0

0

0.0

0

0.0

0

0.0

Total¶

1,126

0.8

911

0.6

1,761

1.0

1,744

0.8

* Year as reported by the health department

† Cases were reported by state of residence, which was not necessarily the state of exposure.

‡ Rate per 100,000 population

§ Not reportable

¶ The denominators for calculations of total incidence rates included only the populations of states in which babesiosis was a reportable condition during the pertinent year.


 

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