An investigation of the immunogenicity of vaccines prepared from closely related virulent and avirulent strains of S. typhosa is reported.
No evidence was obtained of any essential relationship between the virulence of the strains employed and their immunogenicity, as determined by active-immunity mouse-protection tests and by the agglutinin and mouse-protective antibody response in human beings.
This content is only available as a PDF.
Copyright, 1950, by The Rockefeller Institute for Medical Research New York
1950
You do not currently have access to this content.