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Human Health And Disease

Question
CBSEENBI12002551
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Widal test is used for the diagnosis of 

  • Malaria 

  • pneumonia

  • tuberculosis

  • typhoid

Solution

D.

typhoid

Widal test is bacterial agglutination test, originally introduced by Widal for diagnosis of typhoid fever. Widal test is based upon antigen-antibody serological interactions. Typhoid or enteric fever is caused by a Gram - negative bacterium Salmonella commonly found in the human intestine. Infection of typhoid bacteria stimulates the production of immune - specific agglutinins, which are released in blood plasma.

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