LOS ANGELES (CNS) -- Travelers at Los Angeles International Airport can now get a COVID-19 PCR test with results guaranteed in less than hour, LAX officials announced Wednesday. "We continue to see a ...

You wake up with a scratchy throat, runny nose, and persistent cough, but your at-home COVID-19 test reads negative. How is this possible? The short answer is yes—you can still be infected. Many other ...

The COVID-19 pandemic yielded important advances in testing for respiratory viruses, but it also exposed important unmet needs in screening to prevent the spread of infections in high-risk settings.

Over the past four years, many of us have become accustomed to a swab up the nose to test for COVID-19, using at-home rapid antigen tests or the more accurate clinic-provided PCR tests with a longer ...