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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 1

Total cohort sizes and eastern equine encephalitis virus inoculum*

Characteristic
Eastern equine encephalitis virus strain
No. controls
FL93-939 (FL93)
77U1104 (PE70)
C49 (CO92)
No.
Dose, log10 PFU
No.
Dose, log10 PFU
No.
Dose, log10 PFU
Rat cohort
Juvenile 6 3.1 6 3.5 NT NT 1
Mature
8
2.2–3.1

13
3.8–4.2

12
2.8–3.3
4
House sparrow cohort*
Infection 13 2.9–3.6 13 2.8–3.8 13 3.9–4.9 4
Nonmanipulation 23 2.9 23 3.2 22 3.4 13

*Total no. animals in nonmanipulation cohort also includes animals from infection cohort. NT, not tested.

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