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Viral titers of tissues collected from pigs inoculated with the SW/3/06 virus. Each bar represents the mean and range viral titer (log10 EID50/gram of tissue) for tissues collected from three pigs euthanized on day 5 post-inoculation. The limits of virus detection (horizontal dotted lines) for tissues and swabs were 1.75 and 0.75 log10 EID50, respectively (*P <0.05; two-way ANOVA followed by Tukey’s multiple comparisons test).
