You can order a COVID-19 test online through DoorDash and get same-day delivery. Here's how to do it.

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 ...

The Biden administration has partnered with Google to help people locate free COVID testing sites. In this photo, a lab technician is working on smears for PCR tests for COVID-19 during the ...

Be aware that many rapid test kits say they are able to deliver PCR-quality results, but a PCR-quality test is not equivalent to a PCR test, says Garner. How I picked the best at-home Covid tests ...

The point-of-care tests are a fast and cheap, though less accurate, way of detecting the virus compared to sending nasal swabs to a lab. The rapid type of coronavirus test that Gov. Mike DeWine ...

How do we test for coronavirus, anyway? A rundown of the biology behind testing for a virus we hadn't seen before.

If you test negative, in some cases, you might still test positive on a PCR test, which is much more sensitive because it tests for genetic evidence of the virus.

Infectious disease expert Dr. Mark Kortepeter explains the pros and cons of at-home Covid diagnostic tests and how to interpret the results.

How do scientists test for the delta variant? Traditional COVID-19 tests will not tell you if you have the delta variant, but genome sequencing will.