A new COVID-19 variant with multiple spike protein mutations has emerged, showing signs of immune escape. While this raises concerns, experts emphasize that the situation differs significantly from the pandemic's start due to widespread hybrid immunity and improved healthcare preparedness.

As the weather cools and fall approaches, COVID-19 cases are still spiking in much of the United States. The country has yet to emerge from a late summer COVID wave driven by the highly contagious new “Stratus” variant, which is sickening Americans ...

NEW YORK -- This holiday season held promise for Americans, many of whom spent Christmas 2020 in quarantine or away from loved ones due to a nasty winter COVID-19 surge. Yet in the last week or so, new and worsening problems stemming from the pandemic have ...