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Volume 13, Number 8—August 2007

Research

Venezuelan Equine Encephalitis Virus Infection of Cotton Rats

Anne-Sophie Carrara*, Lark L. Coffey*, Patricia V. Aguilar*, Abelardo C. Moncayo*, Amelia P.A. Travassos Da Rosa*, Marcio R.T. Nunes†, Robert B. Tesh*, and Scott C. Weaver*Comments to Author 
Author affiliations: *University of Texas Medical Branch, Galveston, Texas, USA; †Evandro Chagas Institute, Belém, Brazil;

Main Article

Table 2

Mean viremia titers of Florida, Texas, and Harlan cotton rats inoculated subcutaneously with Venezuelan equine encephalitis virus, subtype ID or IE*

Day postinfection Cotton rat population and virus subtype
Florida, IE Florida, ID Texas, IE Texas, ID Harlan, ID
1 6.1 ± 0.2 5.2 ± 0.2 6.3 ± 0.2 6.1 ± 0.2 6.8 ± 0.9
2 5.2 ± 0.2 5.4 ± 0.1 6.4 ± 0.1 6.6 ± 0.2 5.8 ± 0.9
3 3.7 ± 0.4 4.1 ± 0.2 5.6 ± 0.2 6.3 ± 0.2 6.5 ± 0.5
4 <1.9 2.3 ± 0.2 3.8 ± 0.3 5.6 ± 0.2 4.7 ± 0.8
5 <1.9 <1.9 2.6 ± 0.3 5.0 ± 0.5 3.9 ± 0.1
6 <1.9 <1.9 2.2 ± 0.2 3.6 ± 0.7 3.9 ± 0.2
7 <1.9 <1.9 <1.9 <1.9 2.0 ± 0.0
8 <1.9 <1.9 <1.9 <1.9 2.1 ± 0.3

*Titers are expressed as log10 PFU/mL ± standard error; 1.9 log10 PFU/mL is the limit of detection of the plaque assay.

Main Article

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