The US Food and Drug Administration has given emergency use authorization (EUA) to the first rapid antigen test meant to diagnose whether a patient has the COVID-19 virus. While not as accurate as other tests that look for the virus’ genetic material, the new test could help health care workers find infections much faster.
On 8 May, the FDA announced it had authorized the Quidel Corp. Sofia 2 SARS Antigen FIA test. The...






