The RNA basically encodes all of the instructions that that virus needs in order to infect a cell and go to work, you know, turning that cell into a factory to make more copies of the virus. So the ...

So you’re looking to get back into traveling — but things have changed since the last time you hopped on a plane. From new testing requirements to quarantine concerns, the… So you’re looking to get ...

At-home COVID-19 tests have become commonplace for many households, but knowing when exactly to take a rapid test — or when to throw old ones out — isn't always straightforward. Here's what health ...

UC Davis Health develops its own coronavirus test from scratch in just 19 days. The goal is to identify patients with COVID-19 as quickly as possible so they can be quarantined. The effort is led by ...

Starting Monday, American households can now apply to receive four free at-home COVID-19 tests from the U.S. government, though they might appear to be expired. Once again, the U.S. government is ...

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 ...

New COVID-19 variant XFG has firmly positioned itself as the predominant strain in the United States as cases continue to crop up nationwide. Some regions of the U.S. are experiencing higher rates of ...