A new vaccine against bovine viral diarrhea (BVD) induced unwanted immune reactions with production of alloreactive antibodies in 5–10% of vaccinated cows. Transfer of these antibodies via colostrum caused bovine neonatal pancytopenia (BNP) in calves, with a lethality rate of 90%. The exact immunolo...
ORGANISM(S): Bos taurus (Bovine)