Development of Immunity in Mice after Vaccination with Inactivated Poliomyelitis Virus

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Abstract
The intraperitoneal inoculation of inactivated poliomyelitis virus type 2 into mice induces protection when given 3 days before intravenous infection. The protection demonstrated is type specific, i.e., only the homologous antigen is effective. A relationship between antigen concentration and proportion of survivors is demonstrated.