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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Widal Test Done, Mild Throat Infection. What Do The Results Indicate?

Hi
I just had my Widal Test done.
The results are as such:
S. Typhe "O" Antigen : 1 : 60
S. Typhe "H" Antigen : 1 : 240
S. Paratyphe A(H) Antigen : negative
S. Paratyphe A(H) Antigen : negative

I was required to do this test for joining a company. I do not have any fever (just a mild throat infection). Nor have i ever had Typhoid before.
What then do these results indicate?
Mon, 20 May 2013
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Pediatrician 's  Response
Hi ! The Widal test is positive if TO antigen titer is more than 1:160 in an active infection, or if TH antigen titer is more than 1:160 in past infection or in immunized persons. In your case it is clear that you either had a past infection with typhoid or you have been vaccinated for the same. So no need to worry . take care.
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Widal Test Done, Mild Throat Infection. What Do The Results Indicate?

Hi ! The Widal test is positive if TO antigen titer is more than 1:160 in an active infection, or if TH antigen titer is more than 1:160 in past infection or in immunized persons. In your case it is clear that you either had a past infection with typhoid or you have been vaccinated for the same. So no need to worry . take care.