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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 4

Odds ratios for Sin Nombre virus antibody prevalence among Peromyscus maniculatus by association with human cases and elevation, California, 1975-1995a

Cases
(+SNV) Controls
(-SNV) Adj.
ORc 95% CIc p value
Human cased
Absent 101 1274 1.0 NAc NA
Present 44 120 4.5 1.7-11.6 0.002
Elevation
(meters)
0-300 32 580 1.0 NA NA
301-600 2 101 0.4 0.4-3.5 0.423
601-900 11 83 0.6 0.2-1.8 0.390
901-1200 8 85 2.4 0.7-8.6 0.168
1201-1500 26 234 3.2 1.0-10.0 0.044
1501-1800 23 152 2.6 0.7-9.2 0.151
1801-2100 26 103 4.3 1.3-16.7 0.032

aExcludes Channel Islands; bAdjusted for trapline location and survey date, vegetation, sex and age of deer mouse; cOR, odds ratio; CI, confidence interval; NA, not applicable; dDeer mice collected at candidate sites of exposure during human case investigations.

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