MASP2 and infection: MASP-2 antibody-treated mice had reduced brain levels of C5b-9 compared to saline-treated mice at 24 h (median 1.08 vs. 2.53 μg/mg tissue, P = 0.017) and 48 h (0.85 vs. 1.25 μg/mg tissue, P = 0.052) after infection.