COVID and flu tests aren't designed to tell you how sick you are, but if you use them to monitor your infection, they can provide useful information.

As COVID-19 variant EG.5, nicknamed “Eris,” continues to spread across the U.S., it’s important to be prepared ahead of a possible infection by stocking up on the best at-home COVID tests. So once ...

You have a fever. You're in respiratory distress. And you might even be hospitalized with pneumonia. Doctors worry you may have been infected with the novel coronavirus. What happens next? Ideally, ...

The FDA has issued emergency authorizations to 12 antibody tests for the virus. As federal officials gradually begin reopening the country, expanded testing is central to the conversation. Until now, ...

HOUSTON, Texas -- As things open back up, we're seeing some places require COVID-19 testing. At-home rapid COVID tests can produce results in minutes. To find out how they work and just how effective ...

It seems everyone has a “summer cold” these days. If you have hallmark COVID symptoms—headache, runny nose, sore throat, sneezing, cough—but your at–home test says you’re negative, what do you believe ...

Just one sample to detect multiple illnesses, from dengue, flu, COVID-19 to typhoid, all of which exhibit several symptoms?