Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...

PITTSBURGH (KDKA) -- It's a question many are asking -- when do you take a PCR COVID-19 test versus taking a rapid test? The prime time to take a PCR test is when you have had a known or suspected ...

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 ...

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 ...

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 ...

SAN FRANCISCO (KGO) -- A Bay Area-based cyber security company is warning consumers about purchasing fake COVID-19 PCR test results from people out to get your personal information. They're selling ...

Travelers entering China will no longer need to provide a negative PCR test result starting Saturday, in another easing of China's "zero COVID" policies. Travelers can instead show a negative antigen ...

With COVID case rates once again surging across the DMV, and many employers/schools tightening their return-to-building policies, rapid tests have become the hot-button item to secure this winter.