Table 3. Comparisons of mean peak titers of eastern equine encephalitis virus between experimental cohorts*.

Virus	Mean peak virus titer, log10 PFU/mL (± SEM)				Between-cohort comparison, p value
	Juvenile cotton rats	Mature cotton rats	House sparrows		Juvenile vs. mature rats	Juvenile rats vs. house sparrows	Mature rats vs. house sparrows
FL93 (FL93-939)	7.0 (0.3)	4.5 (0.3)	7.5 (0.4)		<0.001	0.271	<0.001
PE70 (77U104)	7.6 (0.2)	5.1 (0.3)	6.2 (0.5)		<0.001	0.026	0.036
CO92 (C49)	NT	3.8 (0.8)	4.9 (0.4)		NT	NT	NT

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