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Illustrative examples of meningeal inflammation scores (0 [A], 1 [B], 2 [C], 3 [D]) in chloroacetate esterase stainings of brain sections of depleted and control animals 30 h after intracerebral challenge with E. coli K1. Arrows in panel B indicate CAE-positive cells. Brain sections were prepared and assessed as described in Materials and Methods. Magnification, ×40.
