Just how accurate are rapid antigen tests? Two testing experts explain the latest data
- Written by Nathaniel Hafer, Assistant Professor of Molecular Medicine, UMass Chan Medical School

As of May 2022, the U.S. is experiencing another uptick in the number of COVID-19 cases. High rates of infection in Europeand Asia, along with the continued emergence of new sub-variants, such as omicron BA.4 and BA.5, raise concerns...