FDA calls bovine-based vaccines currently safe.
Marwick
C
C
D000818:Animals; D001688:Biological Products; D007562:Creutzfeldt-Jakob Syndrome; D016643:Encephalopathy, Bovine Spongiform; D006801:Humans; D011328:Prions; D012449:Safety; D014481:United States; D014486:United States Food and Drug Administration; D014612:Vaccines
D001688:Biological Products; D011328:Prions; D014612:Vaccines