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Volume 13, Number 4—April 2007

Dispatch

Human Babesia microti Incidence and Ixodes scapularis Distribution, Rhode Island, 1998–2004

Sarah E. Rodgers*1 and Thomas N. Mather*Comments to Author 

Author affiliations: *University of Rhode Island, Kingston, Rhode Island, USA;

Main Article

Table

Coefficients of simple logistic regression of Ixodes scapularis nymphs collected per hour, Rhode Island, USA

YearInterceptSlopeNo. nymphs/h*
1998−4.6100.024135
1999−5.6710.07855
2000−3.4740.04052
2001−3.8590.024102
2002−4.1060.09330
2003
−3.529
0.079
27
2004−2.5660.06419

*Minimum no. nymphs that must be collected per hour to create a medium-high risk for babesiosis (20% probability of ≥1 case of human babesiosis per census tract).

Main Article

1Current affiliation: Swansea University, Wales, United Kingdom

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