FIG. 4.
(A) Viral antigens, inflammation, and tissue destruction in the hippocampus of a control C57BL/6 mouse on day 8 p.i. Arrows point to neuron cell bodies containing viral antigens. (B) An inflammatory infiltrate (star) in the gray matter of the spinal cord of a control C57BL/6 mouse on day 8 p.i. No viral antigen is present. Final magnification for both panels, ×427.