oa South African Medical Journal - The modified diazo reaction in the diagnosis of typhoid fever

Volume 6, Issue 18
  • ISSN : 0256-9574
  • E-ISSN: 2078-5135



A modification of Ehrlich's diazo reaction was used; this, in our opinion, is more sensitive, and gives more clear-cut results than the original. This reaction is positive in the majority of cases of typhoid until about the tenth day; thereafter its incidence decreases.

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