Medically reviewed by Jordana Haber Hazan, MD Key Takeaways PCR tests are very accurate and can find the virus even in people without symptoms.Rapid tests can be done at home and show results in ...

Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

Add Yahoo as a preferred source to see more of our stories on Google. For any American wondering if they have Covid-19, there are two kinds of tests available: polymerase chain reaction (PCR) and ...

COVID-19 rapid tests are easy to take—and then toss. So most people never report their results, which leaves health officials with an incomplete picture of how much virus is circulating and where. The ...

You've probably been hearing a lot about rapid COVID-19 testing lately. Some schools and workplaces are using rapid tests to monitor local transmission rates. Celebs like the Kardashians have even ...

The Food and Drug Administration on Wednesday authorized the first rapid coronavirus test that doesn't need any special computer equipment to get results. The 15-minute test from Abbott Laboratories ...

This researcher at Virginia Tech uses a waterproof bag to capture air, in the development of a COVID air sampling device. (Courtesy Virginia Tech) Researchers at Virginia Tech are working on a device ...