COVID-19 Testing: Molecular, Antigen, and Antibody Tests Explained
There are three types of tests available for COVID-19: molecular, antigen, and antibody (serology) testing. Molecular and antigen tests detect whether a person is currently infected, and serology detects whether a person had an infection in the past. This document is designed to explain the differences between molecular, antigen, and serology testing, and when one test might be used over another.
COVID-19 Test Reporting Guidance