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Lab Test

Influenza Virus A and B IgG

The Influenza Virus A and B IgG test is an important medical tool that screens for the presence of IgG antibodies against Influenza A and B in the blood. It's crucial in the diagnosis and monitoring of immune responses to these viruses, which may come from a past infection or vaccination

  • Test NameInfluenza Virus A and B IgG
  • Sample TypeBlood
  • Preparations RequiredNo special preparations, fasting, or water restrictions are required before this test
  • Report Time3 days

Influenza, popularly known as the flu, is a contagious respiratory disease caused by influenza viruses. It can cause mild to severe illness and, in severe cases, can lead to death. The primary types of influenza viruses that cause seasonal flu in humans are Influenza A and B

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Reporting of the sample at lab
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Frequently Asked Questions

This test is important as it can detect if you have previously been infected with or been vaccinated against the Influenza A or B virus. It's crucial in evaluating your immune system's response to these viruses and helps in planning preventive strategies.

No, fasting is not required for this test.

No specific preparation is needed for this test. However, informing your healthcare provider about any medication you're on is crucial as some drugs can affect the test results.

You might need this test if you have had flu-like symptoms and your healthcare provider wants to determine if it was due to the Influenza A or B virus. It can also be used to determine if you have developed immunity after receiving the flu vaccine.

The test measures the level of specific IgG antibodies in your blood. A high level of these antibodies typically indicates past exposure to the influenza virus or a response to the flu vaccine.

The frequency of the test depends on your individual health circumstances. Your healthcare provider will guide you on when and how often you should be tested.

Normal values may vary depending on the laboratory conducting the test. Your healthcare provider will interpret your results in relation to their lab's specific reference range.

No special precautions are needed for this test. However, informing your healthcare provider about any medications you're taking is essential as they may interfere with the results.

Recent or past infections with the influenza virus, vaccination history, and your body's immune response efficiency can all influence the levels of IgG antibodies in your blood.

Modifiable factors include your vaccination status, as getting the flu vaccine can increase your antibody levels. Non-modifiable factors include your age, immune system health, and previous exposure to the virus.

In case of abnormal test results, consult your primary healthcare provider. Depending on your condition, you may be referred to an infectious disease specialist.

A high level of IgG antibodies against Influenza A and B in your blood usually indicates past exposure to these viruses or that you've been vaccinated against them. This is generally a positive sign, as it means your immune system has recognized these viruses and can potentially fight them off more effectively in the future.

No, this test is not typically used to detect a current infection. The IgG antibodies measured by this test are long-term antibodies that your body produces after being exposed to the virus, either from a past infection or vaccination. For current infections, tests detecting the presence of the virus itself or IgM antibodies, which are produced early in an infection, are more appropriate.

Low levels of IgG antibodies against Influenza A and B might indicate that you haven't been exposed to these viruses or that your immune response is weaker. In such cases, your healthcare provider might discuss prevention strategies, including getting the seasonal flu vaccine.

Yes, getting a flu shot can result in a positive test for Influenza A and B IgG. The flu vaccine is designed to stimulate your immune system to produce antibodies against the virus, including IgG.

Certain factors could interfere with your test results. These include recent or ongoing illnesses, other vaccinations, and some medications. Make sure to inform your healthcare provider about all medications you're taking and any recent vaccinations or illnesses.

Not necessarily. While having IgG antibodies against Influenza A and B due to past exposure or vaccination can offer some level of protection, it doesn't guarantee full immunity. The influenza virus mutates frequently, and the antibodies may not be fully effective against new strains.

If your test results are abnormal, it's essential to discuss them with your healthcare provider. They can interpret your results in the context of your overall health, symptoms, and medical history, and guide you on any necessary follow-up steps.

Yes, the Influenza Virus A and B IgG test is safe for people of all ages, including infants, children, adults, and seniors. However, it's most often recommended to individuals with a history of severe or frequent influenza infections, those who are immunocompromised, or those needing to know their immune status against these viruses for other reasons.

The frequency of getting this test depends on individual circumstances, including your medical history, age, and overall health. Your healthcare provider is the best person to advise on how often you should take this test.

As we wrap up, it's essential to remember that knowledge is power, especially when it comes to our health. The Influenza Virus A and B IgG test is a beneficial tool, providing key insights into your immune system's history with these common viruses. By understanding our past, we can make informed decisions for our future, equipping ourselves with the best possible defense against the flu. Always consult with your healthcare provider for the most personalized advice and care.

Influenza Virus A and B IgG
₹ 3300
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