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Choose collection locationImmunology / Serology · Individual laboratory test
Typhoid Test (Widal)
The Widal test measures antibodies that may react with typhoid or paratyphoid antigens. False positives are common, and CDC recommends against using Widal to diagnose suspected typhoid.
Price for this test on its ownAED 170Test price AED 70
Clinical authorDr Nirupama SabhapathySpecialist Clinical Pathology
- Sample
- Serum
- Laboratory turnaround
- 24 hours
- Collection
- Dubai
- Laboratory
- Intel Lab
Understanding the test
What does the Typhoid Test (Widal) measure?
Also called Widal Slide Agglutination
Widal results may appear in an existing fever work-up. An important part of reviewing that result is deciding whether an appropriately timed diagnostic culture is needed.
When it may be requested
An earlier reactive result
Tell the clinician about vaccination, travel and past infections when reviewing a result already obtained.
A new febrile illness
Ask which diagnostic culture or other evaluation is appropriate. Widal is unreliable for deciding the cause of a current fever.
Before your sample
Prepare for collection
SpecimenSerum
Your checklist
No fasting is required. Tell the clinician when fever started and about travel, prior illness, vaccination and antibiotics. If typhoid is suspected, seek prompt assessment.
A clinician takes a small sample of blood from a vein. The laboratory uses serum, the liquid separated from the blood after it clots.
Smart Report
Understanding your result
24 hoursLaboratory turnaround
Result guideTyphoid Test (Widal)
Reading your result
Past exposure, vaccination and cross-reaction can influence the antibody result. A reactive result is insufficient evidence of current typhoid fever; a negative one cannot safely exclude it.
What can affect it
- The CDC does not recommend using Widal serology to diagnose typhoid fever because of poor reliability.
From sample to follow-up
Your testing journey
Laboratory testTyphoid Test (Widal)
- Specimen
- Serum
- Turnaround
- 24 hours
Open your laboratory report
Look for Typhoid Test (Widal) in your report. Use the sample type and collection time when comparing it with an earlier report.
Explore Smart Report
Discuss the next step
Ask the clinician what evidence is needed to assess current infection, including culture, independently of a reactive or negative Widal test.
Clinical expertise
Your laboratory team
Patient questions
Before you book
What should I do if typhoid is suspected?
Seek prompt medical assessment and describe any travel and antibiotic use. Blood culture is the main diagnostic test. A Widal result alone should not determine treatment.
Can vaccination affect the result?
Yes. Prior exposure or vaccination can contribute to a reactive antibody result. A single titre does not establish acute infection.
Can a negative Widal result exclude typhoid?
No. Because antibody testing is unreliable for acute diagnosis, the clinical team should investigate suspected typhoid using an appropriate diagnostic pathway.
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Sources & further reading
Written by Dr Nirupama Sabhapathy, Specialist Clinical Pathology. Medically reviewed by Dr Joyce Jose, Specialist Clinical Pathology, on .
Catalogue information and AED price checked on 2 November 2026. Clinical suitability, preparation, collection arrangements and turnaround are confirmed for your selected test.