2023年7月12日 · Anti-VCA IgG first appears in the acute infection phase, peaks 2 to 4 weeks after infection, and then declines but stays with you for the rest of your life.‌ Early antigen (EA).

Presence of detectable VCA IgG antibodies. A positive result indicates current or past exposure. The EBV-VCA IgG antibody emerges during acute infection with the highest level at 2 to 4 weeks, then drops slightly, stabilizes, and is present for life.

2024年4月10日 · Anti-VCA IgG appears in the acute phase of EBV infection, peaks at 2 to 4 weeks after onset, declines slightly then persists for the rest of a person's life. Early antigen (EA) Anti-EA IgG appears in the acute phase of illness and generally falls to undetectable levels after three to six months.

2019年6月9日 · EBV-VCA, IgG is an antibody (protein) that is produced by the body in an immune response to an Epstein-Barr virus antigen. EBV stands for Epstein-Barr virus. Epstein-Barr virus is a virus that typically causes a mild to moderate illness.

2018年7月2日 · The presence of VCA IgG antibodies indicates that an EBV infection has occurred at some time recently or in the past. The presence of VCA IgM antibodies and the absence of antibodies to EBNA...

2021年1月15日 · Viral capsid antigen (VCA) IgG antibodies are directed against the protein shell (capsid) of the virus. These antibodies typically appear at the same time as infection symptoms [ 2 ]. Once they are made, VCA IgG antibodies will stay in your blood for life .

When an Epstein Barr Virus VCA IgG test yields a positive result, it indicates that the individual has been exposed to the virus in the past. The Viral Capsid Antigen (VCA) IgG is an antibody that develops after an initial infection with the Epstein Barr Virus (EBV).

The VCA IgG test, short for Viral Capsid Antigen IgG, is a blood test that measures the levels of specific antibodies produced in response to the Epstein Barr Virus. This test is widely used as a diagnostic tool due to its accuracy and reliability.

Understanding the EBV VCA IgG levels, especially in the context of other EBV antibody tests, provides a comprehensive overview of an individual's EBV infection status, aiding in accurate diagnosis and effective patient care.

2019年6月10日 · VCA IgG antibodies occur early in disease, reach the highest titers within 2 to 4 weeks and persist for many years probably for life. VCA IgM antibodies occur at the beginning of the disease but decrease or even disappear within a few months.