Gamma-irradiated scrub typhus immunogens: analysis for residual, replicating rickettsiae.

AUTOR(ES)
RESUMO

Scrub typhus immunogens that received inadequate gamma radiation contained residual, viable rickettsiae. The presence of these organisms in the host was masked by the rapid immune response elicited by the large number of inactivated rickettsiae. Transfer of homogenized spleen cells from immunized mice to normal syngeneic recipients provided a sensitive technique for the detection of these viable, replicating organisms.

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