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Volume 20, Number 2—February 2014
Research

Monitoring Human Babesiosis Emergence through Vector Surveillance New England, USA

Maria A. Diuk-WasserComments to Author , Yuchen Liu, Tanner K. Steeves, Corrine Folsom-O’Keefe, Kenneth R. Dardick, Timothy Lepore, Stephen J. Bent, Sahar Usmani-Brown, Sam R. Telford, Durland Fish, and Peter J. Krause
Author affiliations: Yale School of Public Health, New Haven, Connecticut, USA (M.A. Diuk-Wasser, Y. Liu, T.K. Steeves, C. Folsom-O’Keefe,; S.J. Bent, S. Usmani-Brown, D. Fish, P.J. Krause); Uppsala University, Uppsala, Sweden (Y. Liu); Audubon Connecticut, Southbury, Connecticut, USA (C. Folsom-O’Keefe); Mansfield Family Practice, Storrs, Connecticut, USA (K.R. Dardick); Nantucket Cottage Hospital, Nantucket, Massachusetts, USA (T. Lepore); University of Adelaide, Adelaide, South Australia, Australia (S.J. Bent); Tufts University, Boston, Massachusetts, USA (S.R. Telford III); L2 Diagnostics, New Haven (S. Usmani-Brown)

Main Article

Table 1

Summary of nymphal Ixodes scapularis infection with Babesia microti, Borrelia burgdorferi ,and both, Nantucket Island, Massachusetts, and Connecticut, 2007 and 2010

Region
 Year became disease endemic
 Year tick sample collected
 B. burgdorferi infection prevalence (no. positive/no. tested)
 B. microti infection prevalence (no. positive/no. tested)
 Tick ratio*
 Co-infection prevalence 
(no. positive/no. tested)
Nantucket, MA 1969 2010 0.21 (18/87) 0.09 (8/87) 2.33 0.01 (1/87)
Southeastern CT
Lyme 1996 2007 0.13 (23/182) 0.15 (28/182) 0.82 0.04 (8/182)
Old Lyme 1992 2007 0.20 (13/65) 0.20 (13/65) 1.00 0.06 (4/65)
Combined sites
0.15 (36/247)
 0.17 (41/247)
 0.88
 0.05 (12/247)
Northeastern CT
Hampton 2007 2010 0.29(43/147) 0.10 14/147) 2.90 0.05 (8/147)
South Mansfield 2002 2010 0.11 (12/111) 0.09 (10/111) 1.22 0.01 (1/111)
North Mansfield 2002 2010 0.13 (18/139) 0.01 (1/138) 13.00 0.00 (0/138)
Willington Not endemic 2010 0.36 (51/142) 0.03 (4/142) 12.00 0.02 (3/142)
Eastford Not endemic 2007 0.31 (93/298) 0.03 (10/298) 10.33 0.03 (10/298)
Combined sites 0.26 (217/836) 0.05 (39/836) 5.20 0.03 (24/828)

*Ratio of I. scapularis ticks infected with B. burgdorferi and that of ticks infected with B. microti.

Main Article

Page created: January 17, 2014
Page updated: January 17, 2014
Page reviewed: January 17, 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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