CSF and blood WBC concentration during experimental pneumococcal meningitis. *Significant difference between groups (Kruskal Wallis test, P < 0.05). Bacteraemic rabbits (n = 9) had significantly lower CSF WBC counts as compared to controls (n = 9) and to immunized rabbits (n = 8) between 12–16 hours (Mann Whitney test, P < 0.017). Bacteraemic rabbits had significantly lower blood WBC levels as compared to controls at 8 hours and between 12–16 hours and to immunized rabbits between 12–16 hours, respectively (Mann Whitney test,P < 0.017). All data are shown as medians (25–75 percentiles).