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 ...

At this point in the pandemic, you or someone you know has probably received at least one COVID-19 test. But do you know which kind of test you got and the strengths and weaknesses of these different ...

Posts circulating on Facebook and Instagram claim the Centers for Disease Control and Prevention will stop using its COVID-19 test because it cannot differentiate between the COVID virus and flu ...

New COVID-19 restrictions for international travel and other activities are fueling consumer demand for highly accurate polymerase chain reaction, or PCR, tests with rapid turnaround times. Some ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

WILLIAMSBURG, Va. - It's been a struggle to find COVID-19 tests for so many Hampton Roads families. News 3 has covered for days how in demand rapid tests and PCR tests are right now. As the virus ...

New guidelines from the U.S. Centers for Disease Control and Prevention (CDC) withdrawing their request for Emergency Use Authorization for a coronavirus test introduced in February 2020 do not mean ...