FDA explains impact of COVID-19 variants on test accuracy

A new page on the Food and Drug Administration (FDA) website explains how genetic mutations in the COIVID-19 virus may impact the accuracy of existing tests for SARS-CoV-2. Molecular, antigen and serology tests are affected by viral mutations differently due to the inherent design differences of each test. The FDA webpage contains background information on COVID-19 variants, information on the performance of specific tests and recommendations for clinical laboratory staff and health care providers.