Anja Roden, M.D., a medical director for Mayo Clinic's Immunohistochemistry Laboratory, joins this episode of the "Answers From the Lab" podcast. Dr. Roden and Bobbi Pritt, M.D., discuss the development and evaluation of immunohistochemistry in situ hybridization and polymerase chain reaction for detection of SARS-CoV-2 in formalin-fixed paraffin-embedded tissues.