What is a high EBV VCA IgG?
If an individual is asymptomatic and negative for VCA-IgG, then that person has likely not been previously exposed to EBV and is vulnerable to infection. In general, rising VCA-IgG levels tend to indicate an active EBV infection, while falling concentrations tend to indicate a recent EBV infection that is resolving.
What is EBV VCA IgA positive?
A positive serum IgA VCA titer indicates previous repeated infection by the virus or frequent reactivation of latent EBV in B cells. This has been used as a screening tool to identify subjects at high risk of NPC,4,5 as well as being a diagnostic criteria for undifferentiated NPC.
How long does EBV IgG stay positive?
Viral capsid antigen (VCA) Anti-VCA IgM appears early in EBV infection and usually disappears within four to six weeks. Anti-VCA IgG appears in the acute phase of EBV infection, peaks at two to four weeks after onset, declines slightly then persists for the rest of a person’s life.
Will I always test positive for EBV?
Since approximately 90% of us have EBV, testing positive isn’t significant unless you have EBV-like symptoms that can’t be explained by another cause. Your medical provider will sort that out with you. Click here to read what the Centers for Disease Control and Prevention says about EBV.
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 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 is the treatment for elevated IgG levels?
One uncommon treatment for this condition is immunoglobulin replacement therapy. This therapy attempts to increase deficient antibodies to help the body return to homeostasis (a state of internal balance).
What does high HSV IgG levels mean?
Normally these are levels in relation to a disease. A high IGM means recent infection, a high IGE means something allergic is bothering you and low IGG means less memory antibodies for an old infection.