You can order a COVID-19 test online through DoorDash and get same-day delivery. Here's how to do it. Shelby Brown (she/her/hers) is an editor for CNET's services team. She covers tips and tricks for ...

RALEIGH, N.C. (WTVD) -- It's a question some scientists are taking a deeper look at: Nose or throat -- what is the best way to do a COVID-19 test? A woman says she swabbed both her nose and throat and ...

LANSING – When it comes to detecting the coronavirus, not all tests are created equally. Two tests are widely available to see if someone has the virus: a polymerase chain reaction swab, or PCR test, ...

The use of a PCR test via single nasopharyngeal swab to diagnose SARS-CoV-2 has value but also has demonstrated limitations. A polymerase chain reaction (PCR) test via a single nasopharyngeal swab to ...

While they've been the gold standard to identify positive coronavirus cases around the world for more than a year, PCR tests still aren't trusted by some social media users. An Oct. 4 Instagram post ...

Northwell Health is betting a new COVID-19 test that it says is just as accurate as more expensive — and more invasive — nasal swabs will prove popular among patients and employers. The New Hyde ...

PCR tests are one of the most accurate forms of testing for the coronavirus. PCR stand for polymerase chain reaction test. There are many different reasons why you may need to book a covid test, for ...

Johns Hopkins researchers developed microdevices known as "theragrippers" that were designed to "latch onto intestinal mucosa and release drugs into the body" over an extended period of time. But they ...

Dan was a writer on CNET's How-To and Thought Leadership teams. His byline has appeared in The New York Times, Newsweek, NBC News, Architectural Digest and elsewhere. He is a crossword junkie and is ...