Figure 4. Induction of FCoV-neutralizing antibodies after oronasal challenge of cats with the parent virus FIPV DF-2 (n = 4) and recombinant FCoVs PBFIPV-DF-2(n = 4) and PBFIPV-DF-2-R3i (n = 4).
The means of groups are given. Error bars represent standard deviations.