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Volume 16, Number 9—September 2010

Research

Cotton Rats and House Sparrows as Hosts for North and South American Strains of Eastern Equine Encephalitis Virus

Nicole C. Arrigo, A. Paige Adams, Douglas M. Watts, Patrick C. Newman, and Scott C. WeaverComments to Author 
Author affiliations: Author affiliations: University of Texas Medical Branch, Galveston, Texas, USA (N.C. Arrigo, A.P. Adams, P.C. Newman, S.C. Weaver); University of Texas at El Paso, El Paso, Texas, USA (D.M. Watts)

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Table 2

Comparisons of mean peak titers of eastern equine encephalitis virus within experimental cohorts*

Cohort
Mean peak viremia titer, log10 PFU/mL (± SEM)

Within-cohort comparison, p value
FL93 (FL93-939)
PE70 (77U104)
CO92 (C49)
FL93 vs. PE70
FL93 vs. CO92
PE70 vs. CO92
Juvenile cotton rats 7.0 (0.3) 7.6 (0.2) Not tested 0.089 NT NT
Mature cotton rats 4.5 (0.3) 5.1 (0.3) 3.8 (0.8) 0.140 0.374 0.078
House sparrows 7.5 (0.4) 6.2 (0.5) 4.9 (0.4) 0.051 <0.001 0.060

*Two-tailed p-values determined by Student t test; p values <0.001 are not specified. Boldface indicates significant difference. NT, not tested.

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