Abstract
Summary
Pasteurella pestis, virulent or avirulent; contains 7 antigens demonstrable in the Oudin test. Five are common to P. pseudotuberculosis; 3 of these are thermo-labile and 2 are thermostable. Of the 7 antigens of P. pestis 4 are thermolabile and 2 thermostable. The remaining antigen is haptenized Fraction I. Formalin affects all of the antigens except one, rendering them thermolabile; toluene does not affect them.
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