Volume 15, Number 7—July 2009
Research
Increased Host Species Diversity and Decreased Prevalence of Sin Nombre Virus
Laurie J. Dizney
and Luis A. Ruedas
and Luis A. RuedasTable 3
Comparison of deer mouse (Peromyscus maniculatus) density and Sin Nombre virus infection prevalence, Portland, Oregon, USA, October 2002−September 2005
| Site no. | Deer mouse density |
Infection prevalence |
|||||
|---|---|---|---|---|---|---|---|
| Year 1 | Year 2 | Year 3 | Year 1 | Year 2 | Year 3 | ||
| 1 | 6.78 | 22.38 | 8.76 | 0.049 | 0.141* | 0.148 | |
| 2 | 13.77 | 32.86 | 24.71 | 0.004† | 0.011† | 0.037*† | |
| 3 | 8.57 | 13.62 | 8.11 | 0.000† | 0.013† | 0.044† | |
| 4 | 15.92 | 23.34 | 7.30 | 0.015 | 0.004† | 0.030† | |
| 5 | 7.74 | 23.43 | 7.80 | 0.021 | 0.012† | 0.023† | |
*Significance between years at α = 0.05 using a test of homogeneity of proportions with the Yates continuity correction.
†Significance between site 1 and other sites at α = 0.05 with the Fisher exact test for count data.
