Widal Test For Typhoid: Results, Normal Range, Cost, Labs

widal test normal range chart

What is a widal test used for?


If you are having symptoms of high fever, fatigue, diarrhoea, constipation, abdominal pain, rashes known as rose spots, dry cough, and headache, there is a probability of typhoid fever. Doctors suggest Widal test in the diagnosis of typhoid fever.  Salmonella enterica serotype typhi bacteria cause typhoid fever. The infection occurs due to the consumption of contaminated food and water with faecal matter. Widal test means to detect typhoid causing bacteria in the bloodstream of the patient through the agglutination biochemical test.

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