<prompt> All are included in picorna group of viruses except -Encephalo myocarditisHEVFoot and mouth virusPoliovirus  <response>: Picornaviruses genera of veterinary impoance are aphthovirus, which causes foot and mouth disease cattle, and cardiovirus of mice, including encephalomyocarditis REF:ANANTHANARYANAN TEXTBOOK OF MICROBIOLOGY 9EDITION PGNO.484 