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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 1

Number of babesiosis cases and rates by sex and age among elderly Medicare beneficiaries, United States, 2006–2008

Sex and age group, y No. beneficiaries with babesiosis (rate/100,000*)
 Total no. enrolled beneficiaries
2006 2007 2008 2006 2007 2008
F
>65 509 (3) 441 (3) 647 (4) 15,919,094 15,356,954 15,032,121
65–74 283 (4) 240 (4) 365 (6) 6,794,195 6,547,813 6,487,120
75–84 171 (3) 153 (3) 214 (4) 6,075,497 5,781,146 5,527,531
>85 55 (2) 48 (2) 68 (2) 3,049,402 3,027,995 3,017,470
M
>65 476 (4) 410 (4) 576 (5) 11,359,771 11,024,481 10,876,001
65–74 248 (4) 195 (3) 313 (6) 5,792,828 5,601,691 5,563,925
75–84 179 (4) 165 (4) 209 (5) 4,211,721 4,051,649 3,921,203
>85 49 (4) 50 (4) 54 (4) 1,355,222 1,371,141 1,390,873
Both
>65 985 (4) 851 (3) 1,223 (5) 27,278,865 26,381,435 25,908,122
65–74 531 (4) 435 (4) 678 (6) 12,587,023 12,149,504 12,051,045
75–84 350 (3) 318 (3) 423 (4) 10,287,218 9,832,795 9,448,734
>85 104 (2) 98 (2) 122 (3) 4,404,624 4,399,136 4,408,343

*Babesiosis rates were rounded to the nearest whole number.

Main Article

1These authors contributed equally to this article.

Page created: December 16, 2011
Page updated: December 16, 2011
Page reviewed: December 16, 2011
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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