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Volume 18, Number 12—December 2012

Research

Reservoir Competence of Wildlife Host Species for Babesia microti

Michelle H. HershComments to Author , Michael Tibbetts, Mia Strauss, Richard S. Ostfeld, and Felicia Keesing
Author affiliations: Bard College, Annandale-on-Hudson, New York, USA (M.H. Hersh, M. Tibbetts, M. Strauss, F. Keesing); and Cary Institute of Ecosystem Studies, Millbrook, New York, USA (M.H. Hersh, R.S. Ostfeld)

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Table 1

Host species tested for Babesia microti reservoir competence, southeastern New York, USA, 2008–2010*

Host species Common name No. hosts tested No. ticks tested Mean no. ticks sampled per host (range)
Mammals

Blarina brevicauda

Northern short-tailed shrew 28 534 19.1 (12–25)

Didelphis virginiana

Virginia opossum 24 464 19.3 (11–25)

Glaucomys volans

Northern flying squirrel 5 84 16.8 (6–25)

Mephitis mephitis

Striped skunk 2 31 15.5 (10–21)

Peromyscus leucopus

White-footed mouse 17 308 18.1 (11–25)

Procyon lotor

Raccoon 21 396 18.9 (10–25)

Sciurus carolinensis

Eastern gray squirrel 18 333 18.5 (10–25)

Sorex cinereus

Masked shrew 6 41 6.8 (4–10)

Tamias striatus

Eastern chipmunk 15 245 16.3 (10–25)

Tamiasciurus hudsonicus

Eastern red squirrel 15 295 19.7 (11–25)
Birds

Catharus fuscescens

Veery 15 310 20.7 (10–25)

Dumetella carolinensis

Gray catbird 13 240 18.5 (10–24)

Hylocichla mustelina

Wood thrush 18 318 17.7 (10–25)

Turdus migratorius

American robin 17 293 17.2 (8–23)

*Number of ticks tested per host can include samples from either natural tick loads or experimental infestations and are not representative of total tick loads.

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