👉 Serology is a branch of medical science that focuses on the analysis and diagnosis of diseases by using antibodies, antigens, or other substances specific to an organism. It involves identifying and quantifying the presence of these substances in samples from individuals who have been exposed to the disease or condition. The goal is to determine whether there are any abnormalities in the body's immune system that may be contributing to the symptoms or progression of the illness. Serology tests can be performed on a wide range of specimens,