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Volume 15, Number 4—April 2009


Correlation between Tick Density and Pathogen Endemicity, New Hampshire

Seth T. Walk, Guang Xu, Jason W. Stull, and Stephen M. RichComments to Author 
Author affiliations: University of Massachusetts, Amherst, Massachusetts, USA (S.T. Walk, G. Xu, S.M. Rich); New Hampshire Department of Health and Human Services, Concord, New Hampshire, USA (J.W. Stull); University of New Hampshire, Durham, New Hampshire, USA (J.W. Stull)

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Pathogen prevalence and coinfection in 2 regions of different tick density, New Hampshire*

Infection No. ticks collected
HLI sites MLI sites Total
Single infection
Borrelia burgdorferi 237 29 266
Anaplasma phagocytophilum 1 0 1
Babesia microti
Multiple infections
B. burgdorferi + A. phagocytophilum 9 0 9
B. burgdorferi + B. microti 28 3 31
A. phagocytophilum + B. microti 0 0 0
B. burgdorferi + A. phagocytophilum + B. microti 0 0 0

*HLI, high Lyme disease incidence; MLI, medium Lyme disease incidence.

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