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Volume 6, Number 4—August 2000


Dual Captures of Colorado Rodents: Implications for Transmission of Hantaviruses

Charles H. Calisher*Comments to Author , James E. Childs†, William P. Sweeney*, K. Max Canestorp‡, and Barry J. Beaty*
Author affiliations: *Colorado State University, Fort Collins, Colorado, USA; ‡Centers for Disease Control and Prevention, Atlanta, Georgia, USA; ‡Colorado Fish and Wildlife Assistance Office, Denver, Colorado, USA

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Table 3

Numbers of dual captures among three rodent species

Species No. % No. % Bonferronia 95%confidence intervals
Peromyscus maniculatus 23 53.5 20.8 48.8 34.5%<P<72.5%
P. truei 0 (1)b 0.0 (2.3)b 8.5 19.7 0.0%<P<8.0%c
Reithrodontomys megalotis 15 34.9 6.3 14.6 15.8%<P<54.0%d

aSignificant differences occur between the observed and expected percentage of dual captures when the expected falls outside the 95% Bonferroni confidence interval of the observed proportion.
b One P. truei was captured with a P. maniculatus. Values in parentheses and those generated for expected and Bonferroni 95% confidence interval categories assume observed dual captures = 1.
c P<0.05 observed less than expected.
d P<0.05 observed greater than expected.

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