You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen test, it may not detect COVID after nine days, but it is more accurate for ...

Results are detected within just a few minutes, the agency said. The Food and Drug Administration has granted emergency use authorization for a COVID-19 test that uses breath samples -- the first of ...

Sarah Ferguson presents Australia's premier daily current affairs program, delivering agenda-setting public affairs journalism and interviews that hold the powerful to account. Plus political analysis ...