Doctors, virologists, and medical experts assuming the ""zombie virus"" was real, and had to be grounded in reality, how would you rationalize/explain it, assuming it has to transfer via body fluids?

"Not a doctor, but my sister and a number of colleagues are and have actually had this conversation. Look up "Prion diseases." If we're gonna have a zombie apocalypse, this is how it's going to happen, they say. "