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A Vi variant of Salmonella typhi and its application to the serology of typhoid fever

Published online by Cambridge University Press:  15 May 2009

S. S. Bhatnagar ,
C. G. J. Speechly  and
M. Singh
S. S. Bhatnagar
Affiliation:
From the Deccan District Laboratory, Trimulgherry, India
C. G. J. Speechly
Affiliation:
From the Deccan District Laboratory, Trimulgherry, India
M. Singh
Affiliation:
From the Deccan District Laboratory, Trimulgherry, India
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1. The description of a strain which behaves as a pure Vi variant of S. typhi is given. Complete absence of H antigen from it is demonstrated. The non-interference in its Vi agglutinating activity by the very small amount of O antigen contained in it is shown. This strain has been designated “Vi 1”.

2. With the help of this strain, the practical applicability of Vi agglutination as a reliable method for the routine serological diagnosis of typhoid infection and for the detection of typhoid carrier condition, in preference to O and H types of agglutination, is stressed.

Type
Research Article
Information
Journal of Hygiene , Volume 38 , Issue 6 , November 1938 , pp. 663 - 672
Copyright
Copyright © Cambridge University Press 1938

References

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