Microbiology Virology 9af8f86d True about prion protein diseases is all, except- A Myoclonus is seen in 10% of the patients B Caused by infectious protein C Brain biopsy is diagnostic D Commonly manifest as dementia High-Yield Explanation caused by ifectious prpteins.brain biopsy is daignostic REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.557