TABLE 2.

Antiviral activity in supernatants of porcine cellsa

Inducing virusbTotal antiviral activity (U)Antiviral activity (U) in cells incubated with:
Normal serumNeutralizing anti-IFN-αNeutralizing anti-IFN-βNeutralizing anti-IFN-α/β
A12-LLV21616<216<2
A12-IC (WT)<2<2NANANA
  • a Supernatants from infected SK6 cells were incubated with serum for 1 h at RT prior to determination of antiviral activity. Activity is measured in arbitrary units. NA, not applicable.

  • b Virus was used at an MOI of 1.