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Hantavirus Survey Data
The Vector-Borne Disease Prevention Program (VBDPP) staff periodically trap and tested rodents in various locations throughout Washoe County for hantavirus to determine areas of high risk. The following table shows the results of these surveys for 2002, 2003, 2004, and 2010:
| Year | Species | Common Name | Number positive | Number Tested | Percent Positive |
|---|---|---|---|---|---|
| 2002 | Peromyscus maniculatus | Deer mouse | 10 | 30 | 30.0 |
| 2002 | Reithrodontomys megalotis | Harvest mouse | 0 | 3 | 0.0 |
| 2002 | Peromyscus crinitus | Canyon Mouse | 3 | 8 | 37.5 |
| 2002 | Neotoma lepida | Desert woodrat | 0 | 1 | 0.0 |
| 2003 | Peromyscus maniculatus | Deer mouse | 1 | 8 | 12.5 |
| 2003 | Peromyscus crinitus | Canyon Mouse | 0 | 1 | 0.0 |
| 2003 | Mus musculus | House Mouse | 0 | 3 | 0.0 |
| 2003 | Reithrodontomys megalotis | Harvest mouse | 0 | 2 | 0.0 |
| 2004 | Peromyscus maniculatus | Deer mouse | 4 | 12 | 33.3 |
| 2004 | Tamias speciosus | Lodgepole Chipmunk | 0 | 1 | 0.0 |
| 2010 | Ammospermophilus leucurus | Antelope Squirrel | 2 | 4 | 50.0 |
| 2010 | Microtus spp. | Vole | 1 | 3 | 33.3 |
| 2010 | Mus musculus | House Mouse | 0 | 1 | 0.0 |
| 2010 | Neotoma cinerea | Bushy-tailed Woodrat | 0 | 3 | 0.0 |
| 2010 | Neotoma lepida | Desert Woodrat | 0 | 1 | 0.0 |
| 2010 | Peromyscus boylii | Brush Mouse | 0 | 2 | 0.0 |
| 2010 | Peromyscus maniculatus | Deer Mouse | 20 | 97 | 20.6 |
| 2010 | Reithrodontomys megalotis | Harvest Mouse | 1 | 5 | 20.0 |
| 2010 | Spermophilus beecheyi | California Ground Squirrel | 0 | 1 | 0.0 |
| 2010 | Spermophilus lateralis | Golden-Mantled Ground Squirrel | 0 | 7 | 0.0 |
| 2010 | Tamias amoenus | Yellow-Pine Chipmunk | 0 | 10 | 0.0 |
| 2010 | Tamias minimus | Least Chipmunk | 0 | 17 | 0.0 |
Hantavirus (Sin Nombre virus) Testing
VBDPP staff no longer conducts routine surveillance for this virus, but will investigate cases of human illness.