oral vaccination with microencapsuled strain 19 vaccine confers enhanced protection against brucella abortus strain 2308 challenge in red deer (cervus elaphus elaphus).bison (bison bison) and elk (cervus elaphus nelsoni) in the greater yellowstone area (gya), usa, are infected with brucella abortus, the causative agent of bovine brucellosis, and they serve as a wildlife reservoir for the disease. bovine brucellosis recently has been transmitted from infected elk to cattle in montana, wyoming, and idaho and has resulted in their loss of brucellosis-free status. an efficacious brucella vaccine with a delivery system suitable for wildlife would be a valuable tool ...200919901378
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