sentences:  Mengovirus
  
  Mengovirus, also known as "Columbia SK virus", "mouse Elberfield virus" and "Encephalomyocarditisvirus" (EMCV), belongs to the genus Cardiovirus which is a member of the Picornaviridae.Its genome is a single stranded positive-sense RNA molecule, making the "Mengoviruses" a class IV virus under the Baltimore classification system.