SARS-CoV-2 Antibody Detection
Although an antibody test cannot distinguish between a recent or past infection, it has an advantage over a virus detection via PCR: it can detect a SARS-CoV-2 infection well after there are no more viral particles or RNA detectable in the blood (i.e., weeks or months after the infection were over). It can also help to determine whether a vaccination were successful and/or is still active. The contents of this article have been compiled with the greatest possible care. However, please note that the current situation on SARS-CoV-2 remains very dynamic.
What are antibodies, and which antibodies are important in COVID-19?
Antibodies are large proteins which are synthesized by the immune system. They are also called immunoglobulins (Ig). Each immunoglobulin binds to a specific pathogen…