(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 ...

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 woman gets a nasal swab. (Photo by Gustavo Fring from Pexels.) The advertiser paid a fee to promote this sponsored article and may have influenced or authored the content. The views expressed in ...

While you may be used to thinking of COVID tests as interchangeable, there’s a big difference between the standard at-home antigen test and a PCR (molecular) test. Almost five years in, it’s important ...

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 ...

If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. Victoria Song is a senior reporter focusing on wearables, health tech, and more with 13 years of ...

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 ...

Everything about testing for covid-19 appears overly complicated. It is no wonder Americans are confused; and getting angry. So here’s a way to simplify our testing game plan: Let’s sideline ...

FDA has extended shelf life of select at-home coronavirus tests Control line reveals whether test is working properly Up to 1 million expired Florida tests given extension We’ve all done it: finished ...

Here's what to know about the latest COVID strain - and how to tell if your at-home test is still good to use.