Figure. Summary of mean (±SD) West Nile virus (WNV) titers in daily blood samples from four groups of 10 hamsters each (control, Japanese encephalitis virus [JEV]-immune, St. Louis encephalitis virus [SLEV]-immune, and Yellow fever virus [YFV]-immune) after intraperitoneal inoculation of 104 tissue culture infective dose (TCID)50 of WNV. Mean virus titers are expressed as log10 TCID50/mL of blood.
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