For any American wondering if they have Covid-19, there are two kinds of tests available: polymerase chain reaction (PCR) and rapid antigen (sometimes just called “rapid tests”). The two tests work in ...

A COVID-19 rapid test that is said to be more sensitive than any other has been developed by scientists in the United Kingdom. It detects temperature changes when the virus binds to nanoparticles ...

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 ...

In the age of omicron, where COVID’s attack rate is higher than previous variants, entire households and friend groups are getting sick. If one person gets COVID, there’s a good chance others in their ...

Hours-long lines for coronavirus PCR tests are prompting public officials to push the masses to use rapid, at-home antigen tests instead, but public health experts warn the 15-minute tests are ...

Some antigen tests, including the rapid COVID-19 test made by the Abbott BinaxNOW and Quidel QuickVue brands, may fail to detect if you have omicron, according to new data released this week. In ...

What does it mean if a person’s rapid antigen test result comes back positive after five days of isolation due to Covid-19? According to the experts, that person is most likely still carrying a viral ...

Researchers have shown that commercially available rapid antigen tests can detect past and present variants of concern and have identified potential mutations that may impact test performance in the ...

What does it mean if a person’s rapid antigen test result comes back positive after five days of isolation due to COVID-19? According to the experts, that person is most likely still carrying a viral ...

Last month, President Biden launched a website where Americans could order four free COVID-19 rapid tests to be shipped to their home. If you are unable to get the free rapid antigen tests, there are ...

How much should you trust the results of a rapid antigen test? That's a question many people are asking these days amid recent research and anecdotes suggesting these tests may be less sensitive to ...