(WXYZ) — Now that the government is offering free COVID-19 testing kits to all Americans, many may have questions about how accurate these tests are and when they ...

GLENS FALLS, N.Y. (NEWS10) — With a rise in COVID cases continuing and more people looking to get tested, there are some key differences between the two types of tests that detect the coronavirus: PCR ...

WASHINGTON D.C. (7News) — COVID-19 tests are in high demand in the DMV as holiday celebrations are underway. Families are seeking tests to protect their loved ones from the coronavirus but some aren’t ...

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 ...

Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

NORFOLK, Va. - As more and more people get tested for COVID, questions are popping up about what different test results mean. There are two primary tests being used. One is a rapid/antigen test. The ...

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 ...

In a recent study posted to the medRxiv* server, a team of researchers investigated how antigen concentration and viral load in different specimen types affected the performance of severe acute ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SACRAMENTO COUNTY, Calif. (KTXL) — A rush ...

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 ...

MACON, Ga. — One Macon family is in quarantine after testing positive for COVID-19. They say this is a disappointment because their original tests came back negative. "I had a serious headache, back ...