Abstract
Neutralizing antibody content of 7 lots of human serum gamma globulin against the 3 immunologic types of poliomyelitis viruses were studied in roller tube cultures of monkey kidney tissue. Antibody against the 3 immunologic types of viruses was found to be present in all lots tested. The avg. of 50% neutralization end points in tests of the individual lots of gamma globulin for Type 1 virus was 10-3, for type 2 virus 10-2.7, and for Type 3 virus 10-2.5.