Rapid Immunochromatographic Test for Typhoid Detection.
The ICT (Immunochromatographic Test) for Salmonella/Typhoid is a rapid diagnostic test used to detect antibodies against Salmonella typhi and Salmonella paratyphi, the bacteria responsible for typhoid and paratyphoid fever.
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Overview
The Immunochromatographic Test (ICT) for Salmonella/Typhoid is a rapid diagnostic test used to detect antibodies (IgM and IgG) against Salmonella typhi and Salmonella paratyphi, the bacteria responsible for typhoid and paratyphoid fever. It is a qualitative test that provides results within minutes, making it useful for quick screening in endemic areas.
Risk Assessment
- False Positives: Prior infections, cross-reactivity with other bacteria, or recent vaccination can lead to false-positive results.
- False Negatives: Testing too early in the infection may not detect antibodies, as they take time to develop.
- Not a Definitive Test: ICT should be used alongside other diagnostic tests (e.g., blood culture, Widal test, PCR) for confirmation.
High-risk individuals:
- People in typhoid-endemic regions
- Travelers to affected areas
- Those consuming contaminated food/water
- Healthcare workers exposed to infected patients.
Normal Range
- Negative test: No detectable IgM or IgG antibodies
- Any positive result: Requires clinical correlation with symptoms and further testing.
Interpretation of Results
| Test Result | Interpretation |
|---|---|
| IgM Positive | Recent or active infection |
| IgG Positive | Past infection or late-stage recovery |
| Both IgM & IgG Positive | Ongoing or recent infection |
| Both Negative | No infection, or very early stage |
- IgM appears first (within 4-7 days of infection) and gradually disappears.
- IgG appears later and may persist for months to years after infection.
Sample Type
- Blood sample (serum or plasma): Typically collected via venipuncture
- Finger-prick blood sample: Used for point-of-care rapid testing.
Frequently Asked Question
ICT for Salmonella/Typhoid Test
Rapid Immunochromatographic Test for Typhoid Detection.
The ICT (Immunochromatographic Test) for Salmonella/Typhoid is a rapid diagnostic test used to detect antibodies against Salmonella typhi and Salmonella paratyphi, the bacteria responsible for typhoid and paratyphoid fever.
Covid Safety
Assured
Free Report
Counselling