COVID-19 cases are on the rise again across the United States, with the biggest increases in parts of the South, Southeast ...

“People have home COVID tests at home right now, and some of them have expired,” says Dr. Sunny Shukla with Cooley Dickinson ...

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

The department measured the amount of virus in wastewater at different sites across California. While the state as a whole is measuring at moderate levels, the Bay Area, particularly San Francisco, is ...

A new strain of COVID-19, XFG, is spreading rapidly across the world, including in the United States. Anecdotally, people who ...

Scientists are currently studying how well people are protected against severe disease from XFG. Researchers conducted lab ...

In post Covid-19 patients, brain fog is typically presented as forgetfulness, word-finding difficulty, slowing of processing speed or persistent mental fatigue.