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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Does My Report Suggest?

My wife was suffering from Typhoid fever the result of Widal test is like

S Typhi o Antigen: less than 1 in 320 dilution

S Typhi H Antigen: less than 1 in 160 dilution

S Paratyphi AH Antigen: less than 1 in 20 dilution

S Paratyphi BH Antigen: less than 1 in 20 dilution

could you please comment on this?
Thu, 8 May 2014
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Infectious Diseases Specialist,  's  Response
Hello,
Welcome to HCM,

Widal test is a serological test used in diagnosis of typhoid fever during second week of fever, still it is not a confirmatory test. Blood culture is the investigation of choice in diagnosis of typhoid fever.

The titres of widal test for S Typhi O Antigen is less than 1 in 320 dilution and
S Typhi H Antigen is less than 1 in 160 dilution suggest that there could be a infection with the typhoid bacilli. It can be confirmed by the rising titres of O and H antigen of S Typhi.

S
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What Does My Report Suggest?

Hello, Welcome to HCM, Widal test is a serological test used in diagnosis of typhoid fever during second week of fever, still it is not a confirmatory test. Blood culture is the investigation of choice in diagnosis of typhoid fever. The titres of widal test for S Typhi O Antigen is less than 1 in 320 dilution and S Typhi H Antigen is less than 1 in 160 dilution suggest that there could be a infection with the typhoid bacilli. It can be confirmed by the rising titres of O and H antigen of S Typhi. S