Figure 2From: Enhanced protective immunity of the chimeric vector-based vaccine rAdV-SFV-E2 against classical swine fever in pigs by a Salmonella bacterial ghost adjuvant Representative pathological changes of immunized pigs challenged with CSFV Shimen strain. Five groups of pigs (n = 4) were immunized and challenged as described in the “Materials and methods” section. At 15 days post-challenge (dpc), all surviving pigs were euthanized and different tissues (spleen, kidney, tonsils, lymph nodes and bladder) were collected and pathological examinations performed. CFU: colony forming units.Back to article page