What does a positive EBV IgM mean?

If someone is positive for VCA-IgM antibodies, then it is likely that the person has an EBV infection and it may be early in the course of the illness. If the individual also has symptoms associated with mono, then it is most likely that the person will be diagnosed with mono, even if the mono test was negative.

How long does VCA IgM stay positive?

The VCA-IgM antibody is usually detectable at the time of the first blood test, when symptoms first appear and then tends to disappears after about 4 to 6 weeks. The VCA-IgG antibody develops soon after VCA-IgM, and persists for life.

What is EBV IgM test?

Presence of VCA IgM antibodies indicates recent primary infection with Epstein-Barr virus (EBV). The presence of VCA IgG antibodies indicates infection sometime in the past. Antibodies to EBNA develop 6 to 8 weeks after primary infection and are detectable for life.

What triggers Epstein Barr?

Some triggers include stress, a weakened immune system, taking immunosuppressants, or hormonal changes such as menopause. When EBV reactivates within your body, you will probably not have any symptoms.

What does EBV VCA-IgG mean?

Epstein-Barr Virus (EBV) Antibody Tests . Epstein-Barr virus (EBV) is a virus that typically causes a mild to moderate illness. Blood tests for Epstein-Barr virus detect antibodies to EBV in the blood and help establish a diagnosis of EBV infection. Epstein-Barr virus causes an infection that is very common.

What is EBV panel?

The EBV Panel looks for four types of antibodies to provide a comprehensive screening for Epstein-Barr Virus. This package includes the Viral Capsid Antigen (VCA) IgM and IgG antibodies, Early Antigen (EA) Antibodies IgG, and Nuclear Antigen (EBNA) Antibodies IgG.

What is EBV lab?

Laboratory Testing. Epstein-Barr virus (EBV), also known as human herpesvirus 4, is a gamma herpes virus that occurs only in humans. Laboratory testing can help distinguish whether someone is susceptible to EBV infection or has a recent or past infection.

What is EBV antigen?

Epstein-Barr virus ( EBV) antigen is an antigen associated with the Epstein-Barr virus. There are a number of EBV antigens associated with different stages of latency and infection. Laboratory testing can be used to look for specific antibodies to these antigens to screen someone for a history of infection…

What does a positive EBV IgM mean? If someone is positive for VCA-IgM antibodies, then it is likely that the person has an EBV infection and it may be early in the course of the illness. If the individual also has symptoms associated with mono, then it is most likely that the person will be…