Metrix is a PCR quality molecular test, so it’s much more accurate than antigen tests, and can detect infection earlier to allow for timely treatment.
Metrix has 97% sensitivity and 99% specificity with nasal swab alone. Saliva samples are a little lower, at 90% sensitivity and 99% specificity.
You can view complete information about Metrix in our FDA authorization document: https://www.fda.gov/media/162403/download