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 ...

There are plenty of rapid tests now. So what do we do with them? Millions of Americans have purchased rapid COVID-19 tests online or at local stores and signed up to receive test kits through a free ...

With new COVID cases in Florida on the rise, taking an easy-to-get rapid test can give you quick results. But the timing has become tricky. If you have COVID-19 symptoms, such as fever, cough, ...

PCR tests successfully detected the virus days before the rapid tests did, according to a new study. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Is that tickle in your nose COVID-19, or just a cold? Answering that question has proven to be difficult as Americans struggle to access coronavirus testing around the country. At-home rapid antigen ...

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 ...

NEW YORK -- Millions of Americans have purchased rapid COVID-19 tests online or at local stores and signed up to receive test kits through a free government program. Unlike conventional, lab-processed ...