Silicon Valley medical equipment startup Visby Medical has received Emergency Use Authorization by the U.S. Food and Drug Administration for a portable PCR COVID-19 test kit, the first company to do ...

The best way to know if a sore throat is a COVID symptom is to take a test.

Hundreds of workers at COVID-19 laboratories in France went on strike on Thursday, a trade union said, angry over poor working conditions as the coronavirus testing system buckles under huge demand.

Learn how federal guidelines have changed and what this means about who is eligible for a vaccine, where to get one, and whether you’ll need to pay.