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Volume 18, Number 1—January 2012

Dispatch

Babesiosis among Elderly Medicare Beneficiaries, United States, 2006–2008

Mikhail MenisComments to Author , Steven A. Anderson, Hector S. Izurieta, Sanjai Kumar, Dale R. Burwen, Jonathan Gibbs, Garner Kropp, Tugce Erten, Thomas E. MaCurdy, Christopher M. Worrall, Jeffrey A. Kelman1, and Mark O. Walderhaug1
Author affiliations: Food and Drug Administration, Rockville, Maryland, USA (M. Menis, S.A. Anderson, H.S. Izurieta, S. Kumar, D.R. Burwen, M.O. Walderhaug); Acumen LLC, Burlingame, California, USA (J. Gibbs, G. Kropp, T. Erten, T.E. MaCurdy); Centers for Medicare & Medicaid Services, Baltimore, Maryland, USA (C.M. Worrall, J.A. Kelman)

Main Article

Table 2

Highest babesiosis rates among elderly Medicare beneficiaries, by state, United States, 2006–2008*

State or district No. beneficiaries with babesiosis (rate/100,000†)
Total no. enrolled beneficiaries
2006 2007 2008 2006 2007 2008
US total 985 (4) 851 (3) 1,223 (5) 27,278,865 26,381,435 25,908,122
Connecticut 166 (42) 168 (44) 183 (50) 394,431 381,453 364,449
Rhode Island 34 (45) 13 (18) 30 (41) 74,951 73,387 72,430
New York 395 (24) 268 (17) 379 (25) 1,621,816 1,559,031 1,508,401
Massachusetts 76 (13) 128 (22) 185 (32) 596,349 590,318 586,278
Maryland 43 (8) 34 (7) 61 (12) 508,445 510,573 512,902
New Jersey 80 (9) 59 (7) 98 (11) 887,588 884,107 885,544
District of Columbia 3 (7) 1 (2) 3 (7) 44,419 43,843 42,986
Virginia 25 (3) 29 (4) 59 (8) 749,256 723,406 718,145
Maine 7 (4) 4 (2) 10 (6) 180,030 179,797 176,233
New Hampshire 3 (2) 4 (3) 9 (6) 149,654 151,120 150,567
Delaware 2 (2) 1 (1) 7 (7) 102,197 103,937 105,359

*States include District of Columbia. States are shown in descending order of average babesiosis rate during the 3-year period.
†Babesiosis rates were rounded to the nearest whole number.

Main Article

1These authors contributed equally to this article.

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