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Volume 20, Number 10—October 2014
Dispatch

Human Babesiosis, Maine, USA, 1995–2011

Robert Smith, Susan P. EliasComments to Author , Timothy J. Borelli, Bayan Missaghi, Brian J. York, Robert A. Kessler, Charles B. Lubelczyk, Eleanor H. Lacombe, Catherine M. Hayes, Michael S. Coulter, and Peter W. Rand
Author affiliations: Maine Medical Center Research Institute, South Portland, Maine, USA (R.P. Smith Jr,, S.P. Elias, C.B. Lubelczyk, E.H. Lacombe, P.W. Rand); Maine General Medical Center, Augusta, Maine, USA (T.J. Borelli); University of Calgary, Department of Medicine, Calgary, Alberta, Canada (B. Missaghi); Alberta Health Services (Calgary Zone), Calgary (B. Missaghi); Kadlec Regional Medical Center, Richland, Washington, USA (B.J. York); University of Maryland, Baltimore, Maryland, USA (R.A. Kessler); University of Vermont College of Medicine, Burlington, Vermont, USA (C. M. Hayes); Denver Health and Hospital Authority, Denver, Colorado, USA (M.S. Coulter)

Main Article

Table 1

Prevalence of Borrelia burgdorferi in Ixodes scapularis ticks and incidence of Lyme disease and human babesiosis, Maine, 1995–2011

Year Field surveys
 Laboratory results
No. counties (towns) No. ticks No. ticks collected/h No. ticks positive for B. burgdorferi/no. tested (%) Lyme disease
 Babesiosis
No. cases* Incidence No. cases† Incidence
1995 5 (6) 498 13 127/308 (41) 45 3.39 0 0
1996 6 (7) 595 12 131/413 (32) 63 4.74 0 0
1997 8 (8) 612 7 162/420 (39) 34 2.56 0 0
1998 3 (7) 580 16 166/399 (42) 78 5.87 0 0
1999 5 (12) 1,444 14 478/886 (54) 89 6.70 0 0
2000 6 (11) 2,390 26 599/1,164 (51) 70 5.27 0 0
2001 5 (7) 967 32 395/779 (51) 108 8.13 1 0.08
2002 3 (5) 773 42 344/669 (51) 218 16.41 2 0.16
2003 5 (9) 986 29 364/758 (48) 175 13.17 3 0.24
2004 4 (9) 799 24 326/688 (47) 224 16.86 5 0.39
2005 5 (8) 1,253 21 197/402 (49) 245 19.23 10 0.78
2006 4 (6) 974 40 342/525 (65) 338 26.53 9 0.71
2007 7 (15) 1,398 22 269/541 (50) 530 41.60 11 0.86
2008 4 (11) 610 34 192/355 (54) 909 71.34 11 0.86
2009 3 (5) 557 34 228/363 (63) 976 76.60 3 0.24
2010 5 (7) 332 14 145/251 (58) 751 58.94 5 0.39
2011 5 (7) 659 32 223/421 (53) 1,007 79.03 9 0.71

*Centers for Disease Control National Notifiable Diseases Surveillance System Lyme disease case definitions: 1995 for 1995, 1996 definition used for 1996–2001, 2011 definition used for 2002–2011.
†CDC National Notifiable Diseases Surveillance System 2011 babesiosis case definition.

Main Article

Page created: September 22, 2014
Page updated: September 22, 2014
Page reviewed: September 22, 2014
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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