PCR-based diagnostic tests are becoming increasingly common in clinical settings because they are much more sensitive and accurate than older tests, and provide results within hours, not days. Yet a ...

New guidelines from the U.S. Centers for Disease Control and Prevention (CDC) withdrawing their request for Emergency Use Authorization for a coronavirus test introduced in February 2020 do not mean ...

New COVID-19 restrictions for international travel and other activities are fueling consumer demand for highly accurate polymerase chain reaction, or PCR, tests with rapid turnaround times. Some ...

The Omicron BA.2 sub-type continues to attract attention as it spreads in various parts of the world including the U.S. In several news reports and even by some healthcare experts, BA.2 has sometimes ...

As the Omicron variant continues to spread wildly, millions of people are worried they have been exposed—and are desperate to find out if they are infected. But in many areas, at-home rapid antigen ...

If you had COVID-19 symptoms in 2020, you probably would have masked up and braved a visit to a laboratory, doctor’s office, or clinic to get a polymerase chain reaction (PCR) test. A health care ...

A disinformation website is taking a 2020 press release out of context to falsely claim Americans may get vaccinated against COVID-19 without their knowledge. "Johns Hopkins University Confirms: You ...

The claim: PCR creator Kary Mullis said the tests can detect 'anything in anybody' and can't tell you if you're sick Biochemist and PCR test creator Kary Mullis died in 2019, months before the ...

A friend texted me recently because her daughter’s class had a coronavirus outbreak and my friend had some questions about COVID-19 testing. Testing has been on lots of other people’s minds and in the ...

Testing for the coronavirus has been very much in the news. The first and most urgent focus is on increasing access to tests to diagnose people with current infections. But now other tests are ...

COVID cases are starting to creep up again in the U.S., and it’s understandable to have new questions about the virus and the newest CDC guidance on isolation after a positive test. After all, it’s ...