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TBE

TBE IgM antibodies

Tick-Borne Encephalitis (TBE) poses a serious health threat transmitted by ticks, and to comprehend the early stage of this viral disease, the analysis of IgM antibodies is crucial. IgM antibodies, or Immunoglobulin M, represent the body's first line of defense against the TBE virus.

What are IgM antibodies in TBE?

IgM antibodies (Immunoglobulin M) constitute a type of antibodies produced by the body as an initial response to a recently introduced infection. In Tick-Borne Encephalitis (TBE), IgM antibodies play a crucial role in the early stages of the disease. These antibodies are formed in response to the TBE virus and are often detectable in the blood during the initial phase of the biphasic process that characterizes TBE.

Why analyze IgM antibodies for TBE?

Analysis of IgM antibodies for TBE is a central part of diagnostic procedures to establish an ongoing or recent TBE infection. Early in the infection, IgM antibodies are produced in response to the virus and can be detected in the blood. A positive IgM antibody analysis often indicates an acute TBE infection and is useful for confirming the diagnosis during the initial stages of the disease.

Vaccination and IgM response?

During vaccination against TBE, IgM antibodies can also be formed, but their presence is usually short-lived. The IgM response after vaccination may resemble the initial response seen in an actual infection. A combination of IgM and IgG antibody analyses can be useful in assessing both acute and previous exposure to the TBE virus, especially when considering vaccination or monitoring the immune response after a prior vaccination.

What can a high value of IgM antibodies indicate?

A high value of IgM antibodies in TBE usually indicates a recently acquired infection. It is a sign of the initial immune response and can be used to confirm an acute TBE infection. Elevated IgM levels may occur during the first phase of the biphasic process and gradually decrease as the body transitions to producing IgG antibodies. The results of IgM antibody analysis are therefore crucial for diagnosing and monitoring the initial stages of TBE.

What can a low value of IgM antibodies indicate?

A low value of IgM antibodies in the analysis for TBE (Tick-Borne Encephalitis) can have various interpretations depending on the timing of the testing and the clinical situation. Here are some examples:

  • Early stage of infection: If the test is conducted very early after a potential TBE exposure, IgM levels may be low or not yet detectable because the body needs time to produce these antibodies in measurable amounts. Early testing does not necessarily exclude an ongoing TBE infection.
  • Later stage of infection: If the test is performed later in the course of the infection or after the disease has resolved, IgM levels may decrease and become low or non-detectable. IgM antibodies are typically most prominent during the initial stage of an infection and may gradually decrease as immunity develops.
  • Vaccination: After vaccination against TBE, IgM antibody levels may temporarily increase, but they are likely to be lower than in an actual infection. If the test is conducted after vaccination and shows low IgM levels, it may reflect the normal response to vaccination rather than an ongoing infection.
  • Insufficient immune response: In some cases, a low value of IgM antibodies may indicate an impaired immune response, where the body does not produce enough antibodies in response to a TBE infection or vaccination. This can be caused by various factors, including immunosuppression or other health conditions.

Tests containing the marker TBE IgM antibodies

Inflammation

Inflammation


TBE
Infection and Immunity

TBE

  • Detects TBE infection.
  • Checking your TBE vaccine
  • Ensure your immunity to TBE.
  • Analysis of antibodies IgM & IgG

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