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Weil Felix Test for Rickettsia

Weil Felix Test for Rickettsia near me in Warangal

Also referred as

WF test

For men & women

Earliest reports in

144 hours

Contains

3 tests

Know more about this test

The Weil Felix Test for Rickettsia is a blood test that suggests possible rickettsial infection when correlated clinically, particularly in patients presenting with fever, rash, and a history of tick, mite, or flea exposure. It is widely available in Warangal with Tata 1mg labs at an affordable price.

Samples required

Blood

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Understanding Weil Felix Test for Rickettsia

Rickettsial infections are a group of vector-borne diseases caused by bacteria belonging to the family Rickettsiaceae. These infections are transmitted to humans through the bites of infected arthropods such as ticks, mites, fleas, and lice. Common rickettsial diseases include scrub typhus, epidemic and endemic typhus, and spotted fever group rickettsioses. Clinical manifestations typically include acute fever, headache, myalgia, rash, and, in some cases, gastrointestinal symptoms such as nausea, vomiting, and abdominal pain. If left untreated, severe complications involving multiple organ systems may occur.

The Weil Felix Test for Rickettsia (Weil–Felix Test) is a serological screening test used to support the diagnosis of rickettsial infections. The test is based on the cross-reactivity between antibodies produced during certain rickettsial infections and specific antigens of Proteus bacterial strains. When these antibodies are present in the patient's serum, they react with the corresponding Proteus antigens, resulting in visible agglutination (clumping). The test utilizes three principal Proteus antigens: OX-19 – associated primarily with typhus group rickettsiae and may also react in some spotted fever group infections; OX-2 – commonly associated with spotted fever group rickettsiae; OX-K – associated with Orientia tsutsugamushi, the causative agent of scrub typhus.

Doctors may recommend the Weil Felix Test for Rickettsia test for symptoms suggestive of rickettsial infection (fever, rash, headache, neurological symptoms) or known vector exposure. It provides screening support but cannot confirm infection, assess severity, or monitor treatment.

Usually, no special preparation is required for this test. Eat and drink as per the daily routine. However, sharing the clinical history, current medications, and supplement use with the doctor before giving the sample is preferred, as these may influence the results.

Test result ranges are approximate and may differ slightly between labs depending on the methodology and laboratory guidelines. Do not self-medicate and always consult a doctor to understand the test results correctly.

Please note: This is an outsourced test. The sample for this test is collected by TATA 1MG and processed at a NABL accredited partnered lab.

What does Weil Felix Test for Rickettsia measure?

Contains 3 tests

The Weil Felix Test for Rickettsia detects the presence of antibodies against Rickettsia bacteria in the blood by using an agglutination reaction with specific Proteus antigens (OX19, OX2, OXK). OX-19 and OX-2 are commonly associated with typhus and spotted fever group rickettsial infections, while OX-K is mainly linked to scrub typhus. The reaction pattern against these antigens may help doctors identify the likely type of rickettsial infection. A positive result suggest possible rickettsial infection especially when considered alongside symptoms and exposure history. A negative result, however, does not completely rule out infection, as the test’s sensitivity can vary. While the Weil-Felix Test is simple, widely available, and cost-effective, it has limitations in sensitivity and specificity compared to modern diagnostic methods. False positives and negatives can occur, so results are typically interpreted in combination with clinical findings and, if needed, confirmatory tests such as Immunofluorescence Assay or PCR. Despite these limitations, the test remains valuable in resource-limited settings where advanced diagnostic tools are not accessible.

OX-19

OX-2

OX-K

FAQs related to Weil Felix Test for Rickettsia in Warangal

What is the Weil Felix Test for Rickettsia?

The Weil Felix Test for Rickettsia is a blood test that helps screen rickettsial infections caused by bacteria transmitted through ticks, mites, fleas, or lice. It uses OX-19, OX-2, and OX-K antigens to detect antibodies related to different rickettsial infections. It works by identifying antibodies in your blood that react with certain Proteus antigens.

What diseases can the Weil Felix Test for Rickettsia detect?

This test is commonly used to screen for: typhus fever, Rocky Mountain spotted fever, scrub typhus, and other rickettsial infections.

Who should undergo the Weil Felix Test for Rickettsia?

This test is recommended if you have symptoms suggestive of rickettsial infections, such as persistent fever and rash, severe headache, nausea, vomiting, or abdominal pain, or if there is a history of exposure to ticks, fleas, or lice.

How is the test performed?

A blood sample is drawn from a vein, usually in the arm. The blood is tested for antibodies that react with Proteus antigens.

Is the test safe?

Yes, the test is safe. It only involves a small blood draw, and there are no major risks associated with it.

Are there any special instructions before the test?

No fasting or special preparation is needed. It is recommended to share your symptoms, exposure history, and medications with the doctor for an accurate interpretation of results.

Can I schedule the Weil Felix Test for Rickettsia online in Warangal near me?

Yes. In Warangal, you can schedule the Weil Felix Test for Rickettsia near you with Tata 1mg Labs. The test is easy to book, cost-effective, and available with a comprehensive report.

Is a home sample collection facility available for the Weil Felix Test for Rickettsia in Warangal with Tata 1mg Labs?

Yes, home sample collection for the Weil Felix Test for Rickettsia is readily available in Warangal. Tata 1mg Labs allows you to choose a date and time that suits your schedule for sample collection.

How can I schedule the Weil Felix Test for Rickettsia with Tata 1mg Labs in Warangal?

If you want to schedule the Weil Felix Test for Rickettsia with Tata 1mg Labs in Warangal, the procedure is fairly easy and hassle-free. Follow these steps to book a test: 1). Visit the Lab Tests section on the Tata 1mg website. 2). Add the test you want to the cart. 3). Pick a time and date slot according to your convenience; however, do consider the necessary prerequisites while scheduling a test. 4). You will receive a notification with all the details once the test is scheduled.

What is the price of the Weil Felix Test for Rickettsia at Tata 1mg Labs in Warangal?

Tata 1mg Labs is a pocket-friendly platform for booking lab tests in Warangal. The Weil Felix Test for Rickettsia is available at an affordable price of Rs. 860.

What is the estimated turnaround time for the results of the Weil Felix Test for Rickettsia in Warangal?

At Tata 1mg Labs, we understand the importance of timely results. We strive to provide fast turnaround times for test results, allowing you to get the information you need promptly. On average, we take 144 hours to provide the reports of the Weil Felix Test for Rickettsia in Warangal.

Content created by

Dr. Swati Gupta (Anand)

MD Lab Medicine, MBBS

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Last Updated

7th Aug 2026