Product Overview

The S.Typhi Antigen Rapid Test Cassette (Feces) is a rapid chromatographic immunoassay designed for the qualitative detection of Typhoid antigen in human feces specimens. Its core function is to assist in the diagnosis of typhoid infection by identifying the presence of the target antigen.

Disease Background

Typhoid fever, caused by Salmonella Typhi, remains a significant global health threat-Affecting over 9 million people and causing 110,000 deaths annually (2019 GBD Study). High-burden regions include South Asia, Africa, and Southeast Asia, where the disease spreads mainly through contaminated food or water in areas with poor sanitation. Common symptoms such as prolonged fever, abdominal pain, fatigue, and diarrhea or constipation can progress to severe complications like intestinal perforation if not treated promptly.

Timely and accurate diagnosis is essential for effective treatment and preventing further transmission. While traditional diagnostic methods such as blood culture are time-consuming, the S.Typhi Antigen Rapid Test Cassette (Feces) offers a practical solution. It rapidly detects specific typhoid antigens in fecal specimens, supporting early clinical decision-making and enabling swift intervention in both routine and resource-limited settings.

Product Specification

Intended use	Detection of Typhoid
Storage	4-30°C
Shelf Life	24 Months
Sensitivity	95.5%
Specificity	98.7%

Ordering Information

Product Name	Catalog No.	Specimen	Format	Certification
S.Typhoid Antigen Test	TYP Ag-5012	Feces	Cassette	CE

Product Advantages

Rapid & Accurate: Results in 15 minutes with high sensitivity&specificity.

User-Friendly: Minimal training required; ideal for resource-limited settings.

Portable Design: Single-use cassette for field/remote use.

Cost-Effective: Reduces reliance on laboratory infrastructure.

Clinical Validation: Proven performance against leading commercial RDTs.

Operation Steps

Steps:
1.Collect fecal sample into a clean container.
2.Mix with buffer using the provided dilution tube.
3.Apply 2 drops to the test cassette.
4.Read results after 15 minutes (do not interpret after 20 minutes).

Result Interpretation

Positive: Two colored bands (C + T).
Negative: One colored band (C only).
Invalid: No C band (retest required).

FAQ

Q: Can this test diagnose typhoid fever alone?

A: No, clinical correlation with symptoms and additional tests (e.g., blood culture) is required for confirmation.

Q: How should samples be stored?

A: Test immediately or refrigerate (2–8°C) for ≤3 days. Long-term storage: ≤-20°C.

Q: Is cross-reactivity with other pathogens possible?

A: The test is specific to S. Typhi antigens, minimizing false positives.

Q: How does this test compare to blood-based RDTs?

A: Fecal testing is non-invasive and suitable for pediatric/geriatric patients, offering comparable accuracy to serum-based tests.

Q: Are there any precautions for specimen collection in specific patient groups?

A: Yes. Patients should not provide feces samples during their menstrual periods or within 3 days of the menstrual period. Also, if patients have hemorrhoids with bleeding or any condition causing blood in the feces, specimen collection should be avoided, as this may lead to inaccurate test results.

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