EBV Viral Capsid Antigen Antibody IgG

High levels of Anti-VCA IgG antibodies in your blood might mean that your body has been actively fighting the Epstein-Barr Virus (EBV), which can cause mono. This could be due to a new infection, or it might be because an old infection has become active again. Sometimes, stress or a weak immune system can cause the virus to reactivate. Certain medications, like immune-suppressing drugs, might also lead to higher levels of these antibodies. Keep in mind that having high levels of Anti-VCA IgG can also be a normal part of your body's long-lasting response to EBV, and these antibodies can stay in your blood for many years after you first get infected.

Symptoms of high levels of Anti-VCA IgG may not be distinct, as they could mirror general signs of an active or recent infection, such as fatigue, fever, sore throat, swollen lymph nodes, and a general feeling of being unwell.

Low levels of Anti-VCA IgG might mean that your body hasn't come across the Epstein-Barr Virus (EBV) before, possibly because you haven't been exposed to it or your immune system didn't react strongly to a past infection. It could also mean that your body successfully fought off the infection and the antibody levels have gone down over time. Certain medications, like those that suppress the immune system, could also affect the production of these antibodies.

Symptoms of low levels of Anti-VCA IgG are typically non-existent, as this simply reflects a lack of previous exposure to the Epstein-Barr Virus or a successful clearance of the infection.