People walk past a COVID testing site on May 17 in New York City. New York's health commissioner, Dr. Ashwin Vasan, has moved from a "medium" COVID-19 alert level to a "high" alert level in all the five boroughs following a surge in cases.
Spencer Platt/Getty Images
Rapid tests can help you figure out whether you have been infected with the coronavirus. But how accurate are they? Scientists are trying to find out whether they are less sensitive to omicron and why.
Joseph Prezioso/AFP via Getty Images
Travis Warner of Dallas got tested for the coronavirus at a free-standing emergency room in June 2020 after one of his colleagues tested positive for the virus. The emergency room bill included a $54,000 charge for one test.
Laura Buckman for KHN
Six states have an agreement to acquire fast-result antigen tests for the coronavirus. Here, a medical worker collects a sample after a patient self-administers a nasal swab test.