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 ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

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.

With funding stalled in Congress, providers must absorb costs or start charging. Americans who don't have health insurance will now start to see some of the free COVID-19 testing options disappear, ...

Adding a throat swab specimen to a nasal specimen significantly increased sensitivity of COVID-19 rapid antigen tests, whether self-collected or collected by a healthcare worker, a randomized clinical ...

ATLANTA - The Georgia Department of Public Health is debuting kiosks that provide free COVID-19 PCR tests and results in roughly two days. The health department said Wednesday kiosks offer tests 24/7 ...

Last spring, a rapid polymerase chain reaction (PCR) test for COVID-19 — developed by Northwestern University spinoff company Minute Molecular Diagnostics — received emergency use authorization (EUA) ...

In a world of wild talk and fake news, help us stand up for the facts.

In January 2022, the U.S. Food and Drug Administration (FDA) cautioned the public against a peculiar method for testing oneself COVID-19 tests. “FACT: When it comes to at-home rapid antigen #COVID19 ...