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Babesiosis Maps

Number of reported cases of babesiosis, by county of residence — 31 states, 2014*

 

* N = 1,731; county of residence was known for all but 13 (1%) of the 1,744 total case-patients.

  • Cases are mapped to the patients’ county of residence, which was not necessarily where they became infected.
  • Surveillance for babesiosis was conducted by 31 states in 2014.
  • Babesiosis was not a reportable disease in the gray states, and health departments in those states did not notify CDC of cases.

Number of reported cases of babesiosis, by county of residence — 27 states, 2013*

 

* N = 1,749; county of residence was known for all but 12 (1%) of the 1,761 total case-patients.

  • Cases are mapped to the patients’ county of residence, which was not necessarily where they became infected.
  • Surveillance for babesiosis was conducted by 27 states in 2013.
  • Babesiosis was not a reportable disease in the gray states, and health departments in those states did not notify CDC of cases.

Number of reported cases of babesiosis, by county of residence — 22 states, 2012*

 

* N = 904; county of residence was known for all but 7 (1%) of the 911 total case-patients.

  • Cases are mapped to the patients’ county of residence, which was not necessarily where they became infected.
  • Surveillance for babesiosis was conducted by 22 states in 2012.
  • Babesiosis was not a reportable disease in the gray states, and health departments in those states did not notify CDC of cases.

Number of reported cases of babesiosis, by county of residence — 22 states, 2011*

 

* N = 1,117; county of residence was known for all but 9 (1%) of the 1,126 total case-patients.

  • Cases are mapped to the patients’ county of residence, which was not necessarily where they became infected.
  • Surveillance for babesiosis was conducted by 22 states in 2011.
  • Babesiosis was not a reportable disease in the gray states, and health departments in those states did not notify CDC of cases.

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MMWR (July 13, 2012) -- Babesiosis Surveillance — 18 States, 2011

Article (Ann Intern Med -- September 5, 2011): Transfusion-Associated Babesiosis in the United States: A Description of Cases

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Video (Ann Intern Med -- October 17, 2011): Author Insight: Barbara L. Herwaldt, MD, MPH, offers additional insight into her original research article.

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