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Influenza Virus A and B IgM

Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness, and at times can lead to death. Certain people, such as older individuals, young children, and people with certain health conditions, are at high risk of serious flu complications.


  • Test NameInfluenza Virus A and B IgM
  • Sample TypeBlood
  • Preparations RequiredNo special preparation is needed for this test. Continue all medication as prescribed by your doctor.
  • Report Time3 days

The influenza virus has two main types: A and B. Each of these types can further be divided into different strains. These viruses are responsible for seasonal flu epidemics each year. Influenza A viruses can infect humans and animals, while influenza B viruses circulate mostly in humans.

Influenza Virus A and B IgM test is used to detect the presence of Immunoglobulin M (IgM) antibodies that the body produces in response to an infection by the influenza A and B viruses. Unlike the IgG antibodies that provide long-term immunity, IgM antibodies are the first line of defense and appear soon after an infection, indicating a recent or ongoing infection

Home Sample Collection Process
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Book your convenient slot
2
Sample Collection by Phlebotomist
Sample Collection by Phlebotomist
3
Reporting of the sample at lab
Reporting of the sample at lab
4
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Frequently Asked Questions

The Influenza Virus A and B IgM test is important because it can help determine if a person has been recently infected with the influenza virus. This can be crucial in early diagnosis and treatment of the illness, preventing complications and the spread of the virus to others.

No, fasting is not required for this test. You can eat and drink normally before the test.

No specific preparation is required for this test. It is a simple blood test.

This test is generally recommended if you have symptoms of the flu, such as fever, chills, muscle aches, cough, congestion, runny nose, headaches, and fatigue. Your doctor may order this test if they suspect a recent or ongoing influenza infection.

The test measures the presence of IgM antibodies against Influenza Virus A and B in your blood. The presence of these antibodies indicates a recent or ongoing infection.

The frequency of the test depends on your individual circumstances. If you have symptoms of the flu, your doctor may recommend this test. If you are at a higher risk for serious flu complications, your doctor may also recommend regular testing during the flu season.

Normal results may vary depending on the laboratory, but generally, the absence of IgM antibodies in your blood is considered normal. If IgM antibodies are detected, it may indicate a recent or ongoing infection.

No special precautions are needed before undergoing the test. However, you should inform your healthcare provider of any medications, vitamins, or supplements you're currently taking, as certain substances may interfere with the test results.

Factors that may affect the levels of IgM antibodies include the stage of the infection, your overall health, and your immune system's response to the infection. Certain medications may also affect your body's ability to produce antibodies.

If you have abnormal test results, you should consult with your primary care physician. They may refer you to an infectious disease specialist for further evaluation and treatment.

The Influenza Virus A and B IgM test involves a routine blood draw, which is generally safe. However, some people may experience minor bruising, bleeding, infection, or light-headedness during or after the test.

The Influenza Virus A and B IgM test is highly reliable when performed in a reputable laboratory. However, no test is 100% accurate, and results should always be interpreted in conjunction with clinical symptoms and other diagnostic tests.

While IgM antibodies typically indicate a recent or ongoing infection, it's challenging to distinguish between a recent and past infection based solely on the presence of these antibodies. Your doctor may consider other factors, such as the presence of IgG antibodies (which tend to persist longer after an infection), symptoms, and clinical history, to make a more accurate diagnosis.

IgM antibodies are not typically used to assess immunity status as they disappear after an infection resolves. IgG antibodies, on the other hand, can give a better indication of immunity as they persist in the blood for a longer period and can provide long-term immunity against the viruses.

The standard flu test, typically a rapid influenza diagnostic test (RIDT), checks for antigens in your body that are immediate indicators of an influenza virus. These tests can give results quickly but are not as accurate as the Influenza Virus A and B IgM test, which checks for antibodies produced by your body in response to the virus. Therefore, the latter can give more precise information about a recent or ongoing infection.

Yes, the presence of IgM antibodies signifies a recent or current infection, but it does not necessarily mean you are immune to future infections. It's recommended to get vaccinated annually as the flu virus strains often change.

If your Influenza Virus A and B IgM test results are abnormal, your doctor might suggest further tests such as a chest x-ray or a CT scan to check for complications, such as pneumonia. They may also recommend a complete blood count to assess your overall health.

Yes, the Influenza Virus A and B IgM test can detect antibodies produced in response to both types of influenza viruses at the same time. The test does not distinguish which virus you have; it merely indicates whether your body has been exposed to either of them recently.

The best way to prevent infection is to get vaccinated annually. Other preventive measures include practicing good hand hygiene, avoiding close contact with sick individuals, covering your mouth and nose when coughing or sneezing, and maintaining a healthy lifestyle to boost your immune system.

Yes, pregnant women can safely undergo the Influenza Virus A and B IgM test. In fact, it's especially important for pregnant women to monitor their health closely as they can be more susceptible to influenza complications.

The Influenza Virus A and B IgM test is a valuable tool that can help detect a recent or current infection and guide effective treatment. With this knowledge, you can protect yourself and others from the spread of influenza. It's always important to consult with your healthcare provider to interpret test results and understand the best course of action for your health.

Influenza Virus A and B IgM
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