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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 2

Emergence of Babesia microti in Ixodes scapularis ticks, Maine, 1995–2011

Year(s) (ref.) Sample type PCR primers† All towns sampled, N = 90*
 Town of Wells
PCR
 Sequenced
 PCR
 Sequenced
No. ticks positive for Babesia spp./no. tested No. B. microti/no. sequenced (%) No. ticks positive for Babesia spp./no. tested No.B. microti/no. sequenced (%)
1995–96 (7)
 Questing adult tick (salivary glands)
 PIRO-A/B
 28/83
 1/25 (4)
11/30
 1/10 (10)
1995–1997 (8)
 Partially engorged nymphal and adult ticks on rodent, dog, cat, and human hosts (salivary glands)
 PIRO-A/B
 65/455
 3/65 (5)
18/148
 2/21 (9)
1995–1998 (this study)
 Questing adult ticks (salivary glands)
 PIRO-A/B
 24/208
 0/24
8/49
 0/8
2003 (9)
 Questing adult ticks (tick bodies)
 PIRO-A/B
 15/100
 7/15 (47)
15/100
 7/15 (47)
2006–07, 2010–11 (this study) Questing adult ticks (tick bodies) Bab-1/4 (2006–07), PIRO-A/B 55/728 7/8 (88) 18/126 6/6 (100)

*During 1995–2011, B. microti was found only in the southern coastal towns of Kittery, Wells, and Cape Elizabeth; B. odocoilei was found in Cape Elizabeth, Wells, and 29 additional, mostly coastal, towns.
†The primer pair PIRO-A, PIRO-B targets the 18S rRNA gene, 408 bp for B. odocoilei/ 437 bp for B. microti (7); the primer pair Bab-1, Bab-4 targets the 18S RNAgene, 238 bp for Babesia spp. (11).

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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