A smartphone app that tracks COVID-19 symptoms has collected information from more than 4 million people worldwide, and is giving doctors a closer look at the different symptoms patients are ...

The novel coronavirus that causes COVID-19 has spread globally, killing hundreds of thousands of people and infecting millions more. The pandemic has upended life around the world, crippling the ...

A new COVID-19 variant is climbing the ranks in the United States, becoming the third-most common strain of the summer. Variant XFG, colloquially known as "Stratus," was first detected in Southeast ...

Most people have put the COVID-19 pandemic behind them. Infections, vaccinations, or a combination of both have bolstered people's immunity, and while new variants continue to pop up, getting sick ...

The Nimbus variant, or NB.1.8.1, is a strain of SARS-CoV-2, which causes COVID-19. Alongside the usual symptoms of COVID-19, it can cause a razor blade sensation in the throat and gastrointestinal ...

COVID-19 is still a serious threat for a lot of people with compromised immune systems and pre-existing conditions that can cause complications—and now, a new variant, complete with new COVID symptoms ...

A new strain of COVID-19 prevalent in China has been identified in multiple areas in the United States. The new strain—known as COVID-19 NB 1.8.1—was first detected in China in January this year, and ...

It's called the XFG variant, but it's better known as "Stratus." That's the name of the latest COVID-19 strain going around. Variant XFG, colloquially known as "Stratus," was first detected in ...