Volume 12, Number 4—April 2006
Research
Epidemic Spread of Lyme Borreliosis, Northeastern United States
Table 5
Exposure of animals to infected nymphs*
| Host species | No. infected nymphs per host† |
|||||||
|---|---|---|---|---|---|---|---|---|
| GT1 | GT2 | GT3 | GT4 | GT5 | GT6 | GT7 | GT8 | |
| White-footed mouse | 2.2 | 9.7 | 5.7 | 1.1 | 1.7 | 0.29 | 0.4 | 0.4 |
| Pine vole | 0.8 | 2.2 | 0.7 | 0.3 | 0.2 | 0.3 | 0 | 0.5 |
| Eastern chipmunk | 9.1 | 45.5 | 29.6 | 4.6 | 9.1 | 0 | 2.3 | 0 |
| Gray squirrel | 12.6 | 58.0 | 34.3 | 6.3 | 10.4 | 1.5 | 2.4 | 2.3 |
| Raccoon | 6.5 | 25.4 | 12.2 | 3.2 | 3.5 | 2.0 | 0.6 | 2.9 |
| Virginia opossum | 9.0 | 29.1 | 9.0 | 4.5 | 2.2 | 4.5 | 0 | 6.7 |
*GT, genotype.
†For mice, raccoons and squirrels, calculated values are given as average numbers per season for years 2002 and 2003. For other species, average numbers are given per season for year where data were available.
1Current affiliation, New York Medical College, Valhalla, New York, USA
2Current affiliation, University of Bath, Bath, United Kingdom
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