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 ...

Dr. Darria Long, ER Physician and Clinical Assistant Professor at University of Tennessee School of Medicine, joins Yahoo Finance’s Zack Guzman to discuss the latest developments in COVID-19 testing.

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 ...

Abbott Labs got emergency approval from the US Food and Drug Administration for its rapid antigen test, which can detect a Covid-19 infection in 15 minutes. The test is a "game changer," according to ...

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 ...

Rapid COVID tests are convenient and easy to use because you can take them at home. But it's important to know how to interpret their results, when you should take another rapid test and when you ...

Add Yahoo as a preferred source to see more of our stories on Google. As the federal health emergency ended May 11 and COVID numbers are on the rise, here’s how you can still access tests, at-home and ...

Free COVID-19 test kits are available to American households via the United States Postal Service. People can expect to see different testing brands arrive in their mail. The Biden administration ...

SYDNEY, AUSTRALIA - SEPTEMBER 29: In this photo illustration a man uses a COVID-19 rapid antigen test kit at home on September 29, 2021 in Sydney, Australia. Australians will be able to use rapid ...