In the Typhi O test, a serum sample from the individual is mixed with a solution containing the Typhi O antigen. If the person has been exposed to Salmonella typhi and has developed antibodies against it, these antibodies will bind to the O antigen, causing visible agglutination or clumping. The presence of agglutination indicates a positive result, suggesting a previous or ongoing infection with Salmonella typhi.
The Typhi O test is often used as a screening method for typhoid fever. However, it is important to note that this test alone cannot confirm a diagnosis as false positives and cross-reactivity with other related Salmonella species can occur. Follow-up tests, such as the Typhi H test or other confirmatory tests, are usually performed to validate the diagnosis.
If you suspect you have typhoid fever or are experiencing symptoms associated with the infection, it is crucial to seek medical attention. A healthcare professional can evaluate your symptoms, order appropriate tests, and provide proper treatment if necessary.
Remember, the Typhi O test is just one tool in diagnosing and monitoring typhoid fever, and it should be interpreted alongside clinical findings and additional laboratory tests for a more accurate diagnosis.
Report Time:
24 Hours
Fasting Time:
Free
Recommended Test:
Male, Female
Recommended age:
5-99 Years
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