Add Yahoo as a preferred source to see more of our stories on Google. As the federal health emergency ended May 11 and COVID numbers are on the rise, here's how you can still access tests, at-home and ...

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 ...

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Whether you’re already feeling sick or want to prepare for the cold season, here’s what you should know about buying a COVID test — at-home or PCR. COVID-19 cases have been on the rise (though still ...

Doctors explain when flu patients need RT-PCR, whether a respiratory panel is necessary, and how to know when H1N1 recovery is on track ...

A new diagnostic tool developed by researchers can test for SARS-CoV-2 and Zika virus with the same or better accuracy as high-precision PCR tests in a matter of hours. Over the past four years, many ...