Which one of following is not a bacterial disease

Answer: Option A

Rinderpest is not a bacterial disease.
Rinderpest was an infectious viral disease of cattle, domestic buffalo, and many other species. The disease was characterized by fever, oral erosions, diarrhea, lymphoid necrosis, and high mortality.
Rinderpest virus (RPV), a member of the genus Morbillivirus, is closely related to the measles and canine distemper viruses.