Table 2.

Virulence of recombinant viruses

VirusVirulence, log10(LD50)a
MHV-A593.87
wtR103.74
wtR14.64
159R365.15
159R405.26
C125.14
  • a Virulence assays were carried out as described in Materials and Methods. Values represent means obtained from four to five experiments with each virus.