Over-the-counter multiplex tests for more than one illness may soon come to a pharmacy near you. Paco Burgada/iStock via Getty Images A scratchy, sore throat, a relentless fever, a pounding head and a ...

However, at-home Covid tests are generally less sensitive than tests performed by medical professionals, says Omai Garner, PhD, chief of clinical microbiology for the UCLA Health System. That said, it ...

People can test themselves about as accurately at home with rapid antigen coronavirus tests as health care professionals using the same tests, according to a Johns Hopkins Medicine-led study published ...

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 ...

They can result in false negatives, but they remain a valuable tool in stopping the spread of Covid-19. Here’s how to use them most effectively. By Dana G. Smith We’ve all heard the anecdotes: Your ...

If you've accumulated a stockpile of rapid at-home COVID-19 tests over the course of the pandemic — including a handful of free products delivered by the government to your home — you may be surprised ...

In early January, more than 700 Stanford University athletes took rapid Covid tests upon returning to the campus. Those who tested negative — and some who tested positive — were also given PCR tests.

As the pandemic rages on, getting accurate Covid-19 test results remains a struggle. Rapid antigen tests, if taken too soon after the onset of symptoms, can sometimes present false readings. PCR ...

Max Hamilton found out that his roommate had been exposed to the coronavirus shortly after Thanksgiving. The dread set in, and then, so did her symptoms. Wanting to be cautious, she tested ...

A false positive result is possible with a rapid COVID-19 test. It happens when a person does not have COVID-19 but still tests positive for the disease. People can use a rapid COVID-19 test at home ...