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Japanese Encephalitis Virus - RNA detection by PCR – CSF

Japanese Encephalitis Virus - RNA detection by PCR – CSF

Japanese encephalitis (JE) is a severe disease caused by the Japanese Encephalitis Virus (JEV), which affects the central nervous system and can lead to various neurological complications. JE is prevalent mainly in Asian and Western Pacific countries, posing a significant risk to residents and travelers in these regions.

The JEV RNA Detection by PCR in Cerebrospinal Fluid (CSF) is a diagnostic test that seeks to identify the presence of JEV RNA in the CSF, a clear, colorless body fluid found in the brain and spinal cord. This test is highly specific and sensitive, providing a crucial diagnostic tool for healthcare providers to identify an active JEV infection.

The test is primarily indicated for individuals exhibiting symptoms of Japanese Encephalitis, such as fever, headache, vomiting, confusion, and seizures, particularly if they reside in or have recently visited an endemic area. The use of CSF for the test helps improve the specificity of the results since JEV infects the central nervous system.

  • Test NameJapanese Encephalitis Virus - RNA detection by PCR – CSF
  • Sample TypeCSF
  • Preparations RequiredNo specific patient preparation protocols are needed for this test.
  • Report Time3 Days

What does a positive result mean?

A positive result means that JEV RNA has been detected in the CSF, indicating an active JEV infection. This finding should be considered alongside the patient's symptoms, medical history, and other diagnostic information.

What does a negative result mean?

A negative result indicates that JEV RNA was not detected in the CSF. However, it does not completely rule out the possibility of infection, especially if the test was conducted early in the disease's course or the patient's symptoms strongly suggest JE.

Home Sample Collection Process

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Book your convenient slot
Sample Collection by Phlebotomist
Sample Collection by Phlebotomist
Reporting of the sample at lab
Reporting of the sample at lab
Download Reports
Download Reports
Frequently Asked Questions

No, fasting is not required for this test.

There are no special preparations necessary for this test. However, it is important to share your complete medical history, including any medications you are currently taking, with your healthcare provider.

This test should be done if you are exhibiting symptoms consistent with JE, particularly if you live in or have recently traveled to an area where the virus is common.

This test provides information about the presence of JEV RNA in the CSF, which can help confirm a diagnosis of JE.

This test is not typically repeated unless symptoms persist or worsen, or if a new exposure to the virus occurs. The test is primarily used to confirm a suspected diagnosis.

This is a qualitative test, and the normal result would be "not detected" or "negative".

The test involves a lumbar puncture (spinal tap) to collect CSF, which is a medical procedure that should be done by a healthcare professional with proper precautions to avoid any complications.

The timing of the sample collection can affect the result. In the early stages of infection, the virus may not be detectable.

If the PCR test for JEV is negative but symptoms continue, your healthcare provider might order additional tests to explore other possible causes of your symptoms. These might include other infections, autoimmune conditions, or neurological disorders.

The PCR test is generally not used to monitor disease progression. Its primary use is in the initial diagnosis of an active JEV infection. Other clinical assessments and potentially different types of tests would be used to monitor the patient's condition over time.

Yes, people living in or visiting rural and semi-urban settings of endemic regions, particularly where rice cultivation and pig rearing are common, are at higher risk. Also, individuals with weakened immune systems may be more susceptible to the infection.

In case of abnormal values, a consultation with an infectious disease specialist or a neurologist would be beneficial.

The JE vaccine is used for prevention, not treatment. If you have an active JEV infection, getting vaccinated won't help treat the disease. However, after recovery, vaccination can be considered to prevent future infections, especially if you continue to live in or travel to endemic areas.

Awareness about the Japanese Encephalitis Virus - RNA Detection by PCR test in CSF can help you better understand this diagnostic tool and its role in detecting and managing this potentially severe disease. Always consult your healthcare provider for personalized medical advice and never hesitate to ask questions to ensure you understand your health condition and the steps involved in its management.

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