Recombinant viruses rsT3D, rsT3D1R202W, and rsT3D-
Recombinant viruses rsT3D, rsT3D1R202W, and rsT3D- 1G381A have been generated by plasmid-based reverse genetics (21, 24). Virus was purified as previously described (53). Viral titers have been determined by plaque…