Noncytopathic bovine viral diarrhea virus can persist in testicular tissue after vaccination of peri-pubertal bulls but prevents subsequent infection. - Givens MD; Riddell KP; Walz PH; Rhoades J; Harland R; Zhang Y; Galik PK; Brodersen BW; Cochran AM; Brock KV; Carson RL; Stringfellow DA (Vaccine, 2007)