an ANOVA was initially performed and if significant differences among all the groups was noted, a Tukey's test to adjust for multiple comparisons was used. Data are presented as means and standard deviations. Incidence data were compared by Fisher's exact test. APvalue < 0.05 was considered si...
Means and standard deviations for the S/N ratios were calculated and graphed. Neutralization Assay: Serum samples were diluted 1:25 in RPMI-1640 containing 10% heat-inactivated fetal bovine serum (Invitrogen, complete medium) in 96-well mi- crotiter plates and serially diluted 2-fold. Guinea ...