<prompt> All are true about poliovirus, except:Type 1 is responsible for most epidemicsVery difficult to eliminate type 1Type 1 is responsible for vaccine paralytic poliomyelitisType 1 most commonly responsible with paralysis  <response>: Ans. is c i.e., Type 1 is responsible for vaccine paralytic poliomyelitis PandcVDPVFactSheet-Feb2015.pdfReference:Sabin strain type 1,2,3 are associated with Vaccine - associated paralytic polio VAPP and Vaccine derived poliovirus VDPV. 