👉 Serology is a branch of medicine that focuses on the analysis of bodily fluids such as blood, saliva, and urine for the detection of specific antibodies or antigens. It involves the use of specialized equipment to identify proteins or other substances in these fluids that are characteristic of disease-causing microorganisms. In this context, "serological" refers to the process of identifying specific antigens (antibodies) present in a patient's blood sample, which can help diagnose diseases such as HIV/AIDS and