Anti-EA IgG

EBV Early Antigen Antibody IgG

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What's

Anti-EA IgG

Anti-EA IgG, or EBV Early Antigen Antibody IgG, is a type of defense your body creates to fight off the Epstein-Barr Virus (EBV). This virus is quite common and can lead to illnesses like mononucleosis. The "early antigen" part of the name refers to specific proteins that the virus makes at the start of its growth cycle. When your body's defense system notices these proteins, it reacts by creating Anti-EA IgG antibodies. Think of these antibodies as your body's army, battling the viral intruders. If Anti-EA IgG is found in your blood, it can suggest a recent or ongoing EBV infection, as your body usually creates these antibodies during the initial stages of an infection.

If Your Levels Are High

If your Anti-EA IgG levels are higher than normal, it might mean that your body is currently fighting an Epstein-Barr Virus (EBV) infection. These antibodies are usually made when the infection is just starting, as your body responds to the virus's early proteins. Sometimes, things like stress, a weak immune system, or certain medications can cause a hidden EBV infection to become active again, which could also lead to higher Anti-EA IgG levels. High levels of these antibodies have been linked to conditions like chronic fatigue syndrome and autoimmune disorders in some research.

Symptoms of High Levels

Symptoms of high levels of Anti-EA IgG may include fatigue, fever, sore throat, swollen lymph nodes, and a general feeling of being unwell, as these are common signs of an active EBV infection.

If Your Levels are Low

Low levels of Anti-EA IgG might mean that your body isn't actively fighting an Epstein-Barr Virus (EBV) infection right now. This could be because you haven't come across the virus recently, or your immune system has already won the battle against the infection and doesn't need to make these specific antibodies anymore. Things like having a strong immune system, living a healthy lifestyle, or taking certain medications (like antiviral drugs) could help keep these levels low. On the other hand, it's also possible that your immune system isn't responding as it should due to other health issues that affect how well it works.

Symptoms of Low Levels

Symptoms of low levels of Anti-EA IgG are typically non-existent, as this simply indicates a lack of recent or active Epstein-Barr Virus infection.

See References

Test for

EBV Early Antigen Antibody IgG

Epstein-Barr Evaluation

Access Med Labs

Serum

The Epstein-Barr Evaluation assesses several antibodies to the Epstein-Barr virus (EBV). It is performed to confirm active, past, or indeterminate infection for EBV-associated infectious mononucleosis.

Epstein-Barr Early Ag, IgG

Access Med Labs

Serum

This is a single-marker test measuring IgG antibody response to EBV early antigen.

Epstein-Barr Virus (EBV) Panel

Immunosciences Lab, Inc.

Serum

EBV contributes to more than 30 autoimmune disorders. Detection of IgG or IgM antibodies to various EBV antigens indicates either past infection, primary reactivation, or re-infection with Epstein-Barr Virus or Herpes Type 4.

Long COVID Panel

Immunosciences Lab, Inc.

Serum

The Long COVID Panel is used to detect three major viruses (EBV, HHV-6, and SARS-CoV-2) associated with long COVID and autoimmunity. It has been found that increased levels of antibodies against EBV and HHV-6 correlate with the severity of long COVID.

Viral Panel Premier

Immunosciences Lab, Inc.

Serum

This panel measures antibodies against six different viruses (EBV, CMV, HSV-1, HSV-2, HHV-6, VZV) that are involved in different inflammatory autoimmune diseases, chronic fatigue syndrome or myalgic encephalitis, neurodegenerative disorders such as Alzheimer’s and Parkinson’s, and neurological disorders such as Guillain-Barré syndrome and multiple sclerosis. Reactivation of these viruses is a major driver in increasing the severity of symptoms in patients with COVID-19. The test confirms immunological memory against Varicella zoster (VZV), the causative agent for shingles.

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