All are true about poliovirus, except:
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).
Type 1 is responsible for most epidemics
Very difficult to eliminate type 1
Type 1 is responsible for vaccine paralytic poliomyelitis
Type 1 most commonly responsible with paralysis
Virology