Fig. 3 shows the survival of fish immunized with
RGNNV VLPs following RGNNV challenge at 21 days post
virus challenge. 100% of the fish receiving the RGNNV VLPs
by injection survived whereas only 37% of the fish
receiving PBS survived. The survival rate (57%) of the
VLP oral group was also fairly substantial, indicating that
RGNNV VLPs have potential as oral vaccines. Also,