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Variations in the Virulence of Different Strains of Bacillus diptheriae

Published online by Cambridge University Press:  15 May 2009

J. A. Arkwright
J. A. Arkwright
Affiliation:
(From the Bacteriological Department, Lister Institute)
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The occurrence of non-virulent strains of bacilli, which are indistinguishable except by animal experiment from virulent diphtheria bacilli, makes it especially interesting to investigate the varying pathogenicity of this bacillus. Owing to their complete lack of pathogenicity for laboratory animals, the exact relationship of the non-virulent types of B. diphtheriae to the virulent forms of this organism, cannot yet be considered as settled, although Arkwright (1910) has succeeded in obtaining a slight but very definite development of antitoxin in the blood of a horse immunised with non-virulent strains.

Information

Type
Research Article
Information
Journal of Hygiene , Volume 11 , Issue 3 , October 1911 , pp. 409 - 422
Copyright
Copyright © Cambridge University Press 1911

References

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