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Volume 3, Number 2—June 1997

Dispatch

Seroepidemiologic Studies of Hantavirus Infection Among Wild Rodents in California

Michele Jay*, Michael S. Ascher†, Bruno B. Chomel‡, Minoo Madon§, David Sesline†, Barryett A. Enge†, Brian Hjelle¶, Thomas G. Ksiazek¥, Pierre E. Rollin¥, Philip H. Kass‡, and Kevin Reilly*
Author affiliations: *California Department of Health Services, Sacramento, California, USA; †Viral and Rickettsial Diseases Laboratory, Berkeley, California, USA; ‡University of California, Davis, California, USA; §California Department of Health Services, Ontario, California, USA; ¶University of New Mexico, Albuquerque, New Mexico, USA; ¥Centers for Disease Control and Prevention, Atlanta, Georgia, USA

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Table 1

Prevalence of antibodies to Sin Nombre virus among wild rodents in California, 1975-1995

Family/Species Common Name No.
Tested No.
Pos. %
Pos.
Heteromyidae
Dipodomys sp. kangaroo rats 28 1 3.6
Perognathus sp. pocket mice 43 0 0.0
SUBTOTAL 71 1 1.4
Muridae
Microtus sp. meadow voles 29 5 17.2
M. californicus California meadow vole 22 5 22.7
M. montanus Montane vole 3 0 0.0
M. townsendii Townsend's vole 1 0 0.0
Mus musculus house mouse 88 0 0.0
Neotoma sp. wood rats 330 2 0.6
N. cinerea bushy-tailed wood rat 20 0 0.0
N. fuscipes dusky-footed wood rat 215 2 0.9
N. lepida desert woodrat 95 0 0.0
Peromyscus sp. deer mice 2430 236 9.7
P. boylii brush mouse 98 0 0.0
P. californicus California mouse 159 4 2.5
P. crinitus canyon mouse 29 2 6.9
P. eremicus cactus mouse 100 1 1.0
P. maniculatus deer mouse 1921 226 11.8
P. truei pinyon mouse 123 7 5.7
Rattus norvegicus Norway rat 11 0 0.0
Rattus rattus roof rat 99 0 0.0
Reithrodontomys megalotis harvest mouse 108 16 14.8
Sigmondon hispidus cotton rat 14 0 0.0
SUBTOTAL 3109 263 8.5
Sciuridae 1369 1 <0.1
Ammonospermophilus
leucurus Antelope ground squirrel 4 0 0.0
Spermophilus sp. Ground squirrels 1205 1 <0.1
S. beecheyi California ground squirrel 856 1 0.1
Tamias sp. chipmunks 152 0 0.0
Tamiascurus douglasii Douglas' squirrel 5 0 0.0
SUBTOTAL

1369
1
<0.1
TOTAL 4549 245 5.4

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