Rapid tests are inexpensive, easy to use and give fast results, usually within 10 to 15 minutes. Violeta Stoimenova/E+ via Getty Images March 1, 2024 COVID‑19 rapid tests still work against new variants – researchers keep ‘testing the tests,’ and they pass Nathaniel Hafer, UMass Chan Medical School; Anuradha Rao, Emory University, and Apurv Soni, UMass Chan Medical School Research shows that rapid antigen tests are performing as well at detecting the most recent dominant variants as they did with the earliest strains in the COVID-19 pandemic.
