What is a Typhidot (Typhoid Antibody) Test?
The Typhidot Test is a modern, rapid serological test used to diagnose typhoid fever by detecting specific antibodies (IgM and IgG) against the Salmonella typhi bacteria. Unlike the traditional Widal test, which looks for general agglutination, the Typhidot uses a dot ELISA-based method to identify antibodies against the specific outer membrane protein (OMP) of the bacteria. A Typhidot test in Kolkata is highly valued for its speed and accuracy, as it can often detect the infection within 2 to 3 days of the onset of fever.
Understanding IgM and IgG Antibodies
One of the primary advantages of this test is its ability to differentiate between the stages of the infection:
- IgM Positive: This indicates a recent or acute infection. IgM antibodies are the first to appear when the body fights the S. typhi bacteria.
- IgG Positive: This suggests a past infection, chronic carriage, or a resolving stage of the disease.
- Both Positive: This usually points to an ongoing acute infection or a reinfection in someone who has had typhoid before.
Serving Taltala, Park Circus, and Ripon Street
We provide rapid and reliable typhoid screening for residents in Taltala, Park Circus, and the Ripon Street vicinity. Our Sealdah hub is equipped with high-sensitivity Typhidot kits to provide results much faster than traditional blood cultures. For patients suffering from high fever and exhaustion, we offer specialized home collection services across these central Kolkata zones, ensuring your sample reaches our NABL-certified lab under optimal conditions.
Typhidot Test Price in Kolkata
The price for a Typhidot test is 670 at Apollo Diagnostics. No fasting is required for this test, and the blood sample can be collected at any time of the day. While the Typhidot is significantly more specific than the Widal test, it is most effective when symptoms have been present for at least a few days. If you are experiencing high fever, "rose spots" rashes, or abdominal pain, getting tested early can prevent serious complications. Your doctor may also recommend a Complete Blood Count (CBC) or a Blood Culture—the gold standard—to confirm the diagnosis and check for antibiotic sensitivity.
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