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#polio vaccine #poliovirus #vaccination #immunization #disease prevention #sabin vaccine #salk vaccine #poliomyelitis

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#poliovirus #paralysis prevention #mobility #vaccine mechanism #disease prevention #salk vaccine #sabin vaccine #IPV #OPV

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#poliovirus #polio #poliomyelitis #AFM #acute flaccid myelitis #paralysis #neurological disease #CNS infection #EV-D68 neuro