Here's what to know about the latest COVID strain - and how to tell if your at-home test is still good to use.

Medically reviewed by Kate Colby, MPH People with asymptomatic or mild COVID illness generally test negative after nine days, but a polymerase chain reaction (PCR) test can still be positive for up to ...

Forbes contributors publish independent expert analyses and insights. Matt Binnicker is the CSO for Mayo Collaborative Services. Dr. Matt Binnicker, an expert in the diagnosis of infectious diseases, ...

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, ...

SYRACUSE, N.Y. — A recent spike in COVID-19 cases comes as more people are relying on at-home COVID-19 test kits. While they do play a role in the fight against the virus, public health experts say ...

Polymerase chain reaction (PCR) tests are one of the most popular diagnostic tools for the detection and diagnosis of viral diseases, such as coronavirus (COVID-19), due to their ability to rapidly ...

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 ...

DUBUQUE, Iowa (KWWL) - Hartig Drug Company has partnered with the testing company, eTrueNorth, to offer free COVID-19 PCR test kits at all of its 23 locations in Iowa, Illinois and Wisconsin.