FIG 2.

Blocking of virus infectivity by gD antibody. (A) B virus neutralization on B78-nectin-2 cells was performed using a CPE inhibition assay. The monolayers were fixed at 48 hpi and immunostained with rhesus B virus antibody-positive serum. Magnification, ×10. (B) B virus neutralization on B78-nectin-1 cells was assayed by a plaque reduction assay. The infected cells were fixed at 48 hpi and then stained with crystal violet to visualize viral plaques. The images represent culture wells of B78-nectin-1 cells infected with B virus-serum mixtures. (C) Neutralization curves for B virus and HSV-1 on Vero cells, representing negative and positive controls, respectively.