Mushonga weSalk wakanga uri 60<unk>70% inoshanda kurwisa PV1 (poliovirus mhando 1), pamusoro pe90% inoshanda kurwisa PV2 nePV3, uye 94% inoshanda kurwisa kukura kwe bulbar polio. Nguva pfupi mushure mekunge mushonga weSalk wapihwa rezinesi muna 1955, mishandirapamwe yekudzivirira vana yakatangwa. MuUS, zvichitevera mushandirapamwe wekudzivirira hutachiona wakasimudzirwa neMarch of Dimes, huwandu hwezviitiko zvepolio pagore hwakadonha kubva pa35,000 muna 1953 kusvika pa5,600 na1957. Pakazosvika 1961 chete 161 kesi dzakanyorwa muUnited States.
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