Coincidental natural fowl pox virus (FPV) infection of experimental broiler chicks bearing RSV induced sarcomas, arresting development of prinuuy sarcomas and enhancing survival among sarcoma positive chicks possibly through paraimmunity, have been reported.
Avian leukosis-sarcoma virus (AL-SV), Fowl pox virus (FPV), Rous sarcoma virus (RSV), Rous sarcoma, Paraimmunity