HomeLab TestWidal Test
Overview
The Widal test measures the levels of specific antibodies against Salmonella typhi and Salmonella paratyphiantigens in a blood sample.It helps identify an infection when the patient presents symptoms like prolonged fever, abdomin...
Risk assessment
This test is mainly used in regions with a high prevalence of typhoid fever.There's a risk of false positives in areas where Salmonella exposure is common or if the patient has received prior vaccination against typhoid.The Widal test is ...
Ranges
Normal Range:
- Typically, titers less than 1:80 are considered normal, though this can vary by region and laboratory.
- Titers of 1:160 or higher are often indicative of an ac...
Widal Test
Interpretation:
- O antibody titer: Indicates acute infection; levels rise during the initial stages of infection.
- H antibody titer: Indicates past or current infection and m...
Widal Test
Blood Serum: Collected from a blood sample for analysis in the laboratory.
Frequently Asked Questions
How long does it take to get the results of a Widal test?
Can the Widal test be used for monitoring treatment response?
What is the Widal test?
How is the Widal test performed?
Is any special preparation needed before undergoing the Widal test?
What are alternative tests to the Widal test?
How reliable is the Widal test?
When is the Widal test typically ordered?
What are the limitations of the Widal test?
What do the results of the Widal test indicate?
Widal Test
Unveiling Pathogens with Precision through the Widal Test
Includes 1 Test
৳480
৳60020% OFF
Report in 12 hours
Booked 24 times
Sample Type:
blood
Fasting Required:
No
Description
The Widal test, developed in 1896 and named after its inventor, Georges-Fernand Widal, is an indirect agglutination test for enteric fever or undulant fever whereby bacteria causing typhoid fever is mixed with a serum containing specific antibodies obtained from an infected individual. In cases of Salmonella infection, it is a demonstration of the presence of O-soma false-positive result.