Widal Tube Agglutination Test
Comprehensive Typhoid Fever Diagnosis
The Widal Tube Agglutination Test represents a cornerstone in the diagnosis of enteric fevers, specifically targeting typhoid and paratyphoid infections. This time-tested serological method has been instrumental in clinical diagnostics for decades, providing healthcare providers with reliable evidence of Salmonella infection. At GGC DNA, we maintain the highest standards of accuracy and precision in performing this essential diagnostic procedure.
What Does the Widal Test Measure?
The Widal Tube Agglutination Test detects specific antibodies produced by the immune system in response to Salmonella typhi and Salmonella paratyphi infections. The test measures two primary types of antibodies:
- O Antibodies: These target the somatic (cell wall) antigens and typically appear earlier in the infection
- H Antibodies: These target the flagellar antigens and help confirm the specific Salmonella species
The test works by mixing patient serum with standardized bacterial antigens and observing for agglutination (clumping), which indicates the presence of specific antibodies.
Who Should Consider This Test?
The Widal Tube Agglutination Test is recommended for individuals experiencing symptoms suggestive of typhoid fever, including:
- Persistent high fever (often reaching 103-104°F)
- Severe headache and general malaise
- Abdominal pain and discomfort
- Rose-colored spots on the chest and abdomen
- Diarrhea or constipation
- Loss of appetite and weight loss
- Recent travel to typhoid-endemic areas
- Contact with known typhoid cases
Clinical Benefits of Widal Testing
Choosing the Widal Tube Agglutination Test offers several significant advantages:
- Early Diagnosis: Enables prompt detection of typhoid infection before culture results are available
- Treatment Guidance: Helps physicians initiate appropriate antibiotic therapy quickly
- Epidemiological Monitoring: Assists in tracking typhoid outbreaks and patterns
- Cost-Effective: Provides reliable results at an affordable price point
- Rapid Turnaround: Next-day results facilitate timely medical decisions
Understanding Your Test Results
Interpreting Widal test results requires clinical correlation with symptoms and patient history:
- Positive Result: Indicates the presence of antibodies against Salmonella, suggesting current or recent infection
- Negative Result: Suggests no detectable antibodies, though early testing may yield false negatives
- Titer Levels: Higher antibody titers often correlate with more recent or active infections
- Clinical Correlation: Results should always be interpreted alongside clinical symptoms and other diagnostic findings
Test Pricing and Availability
| Test Name | Discount Price | Regular Price |
|---|---|---|
| Widal Tube Agglutination Test | $10 USD | $10 USD |
Testing Process Details
- Sample Type: 2 mL (1 mL minimum) serum from 1 SST
- Shipping Requirements: Refrigerated or frozen transport
- Turnaround Time: Sample accepted daily by 3:30 PM; Report available next day
- Preparation: No special preparation required
- Methodology: Tube Agglutination technique
Nationwide Testing Availability
GGC DNA provides comprehensive Widal Tube Agglutination testing services across the United States. Our network includes testing facilities in all major metropolitan areas including New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, and San Jose. With consistent pricing and standardized procedures nationwide, you can trust GGC DNA for reliable typhoid fever diagnostics wherever you are located.
Book Your Test Today
Don’t let uncertainty about typhoid fever delay your healthcare decisions. Our experienced team at GGC DNA is ready to provide you with accurate, timely diagnostic results. Contact us today to schedule your Widal Tube Agglutination Test and take the first step toward definitive diagnosis and appropriate treatment.
Call or WhatsApp: +1(267) 388-9828
Our dedicated healthcare professionals are available to answer your questions, explain the testing process, and help you book your appointment at a convenient location near you.

