Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

Volume 19, Number 12—December 2013

Dispatch

Powassan Virus in Mammals, Alaska and New Mexico, USA, and Russia, 2004–2007

Eleanor R. DeardorffComments to Author , Robert A. Nofchissey, Joseph A. Cook, Andrew G. Hope, Albina Tsvetkova, Sandra L. Talbot, and Gregory D. Ebel
Author affiliations: University of New Mexico, Albuquerque, New Mexico, USA (E.R. Deardorff, R.A. Nofchissey, J.A. Cook); U S Geological Survey, Anchorage, Alaska, USA (A.G. Hope, S.L. Talbot); Institute of Biology, Moscow, Russia (A. Tsvetkova); Colorado State University, Fort Collins, Colorado, USA (G.D. Ebel)

Main Article

Table 1

Powassan virus seroprevalence in mammals captured in eastern Russia (Siberia), Alaska, and the southwestern United States*

Region Species Common name No. positive/no. tested (%) 95% CI
Siberia, Russia
Lepus timidus Mountain hare 0/1 (0) 0–79.35
Microtus gregalis Narrow-headed vole 0/2 (0) 0–65.76
Microtus oeconomus Tundra vole 0/12 (0) 0–24.25
Mustela erminea Stoat 0/1 (0) 0–79.35
Myodes rufocanus Gray red-backed vole 0/6 (0) 0–39.03
Myodes rutilus Northern red-backed vole 6/79 (7.6) 3.52–15.59
Myopus schisticolor Wood lemming 0/2 (0) 0–65.76
Sciurus vulgaris Tuft-eared squirrel 0/2 (0) 0–65.76
Spermophilus undulatus Long-tailed ground squirrel 0/1 (0) 0–79.35
Tamias sibiricus Siberian chipmunk 0/5 (0) 0–43.45
Total NA NA 6/111 (5.4) NA
Central Alaska
Microtus oeconomus Tundra vole 0/5 (0) 0–43.45
Mustela vison American mink 0/2 (0) 0–65.76
Myodes rutilus Northern red-backed vole 14/243 (5.8) 3.46–9.44
Sorex cinereus Cinereus shrew 0/8 (0) 0–32.44
Sorex hoyi Pygmy shrew 0/1 (0) 0–79.35
Sorex monticolus Montane shrew 0/6 (0) 0–39.03
Sorex tundrensis Tundra shrew 0/2 (0) 0–65.76
Tamiasciurus hudsonicus Red squirrel 0/3 (0) 0–56.15
Southern Alaska
Myodes gapperi Southern red-backed vole 6/89 (6.7) 3.13–13.93
Total NA NA 20/359 (5.6) NA
Southwestern USA
Dipodomys merriami Merriam's kangaroo rat 0/15 (0) 0–20.39
Dipodomys ordii Ord's kangaroo rat 0/1 (0) 0–79.35
Mus musculus House mouse 0/4 (0) 0–48.99
Neotoma albigula White-throated woodrat 0/10 (0) 0–27.75
Neotoma cinerea Bushy-tailed woodrat 0/4 (0) 0–48.99
Notiosorex crawfordi Desert shrew 0/1 (0) 0–79.35
Onychomys arenicola Mearn's grasshopper mouse 0/14 (0) 0–21.53
Perognathus flavus Silky pocket mouse 0/3 (0) 0–56.15
Peromyscus boylii Brush mouse 0/6 (0) 0–39.03
Peromyscus eremicus Cactus mouse 0/19 (0) 0–16.82
Peromyscus maniculatus Deer mouse 2/33 (6.0) 1.68–19.61
Peromyscus leucopus White-footed mouse 0/22 (0) 0–14.87
Peromyscus truei Piñon mouse 2/9 (22.2) 6.32–54.74
Sigmodon hispidus Hispid cotton rat 0/3 (0) 0–56.15
TotalSubtotal NA NA 4/144 (2.8) NA

*NA, not applicable.

Main Article

TOP