FIG. 5.

Neutralization of RSΔsh,g,f/G^vsv infectivity by anti-VSIV G antibodies. Virus RSΔsh,g,f/G^vsv was preincubated with anti-VSIV G (anti-G^IN) or anti-VSNJV G (anti-G^NJ) antibodies in a range of dilutions. Preincubated virus was used to infect Vero cells for 1.5 h and then removed by wash steps. At 20 h postinfection, cells were fixed and examined by fluorescence microscopy (magnification, ×100). Concentrations of antibodies (Ab) used are indicated.