The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...

JACKSONVILLE, Fla. -- Hospital officials in Northeast Florida are urging people to get vaccinated as the number of COVID-19 patients is approaching or exceeding levels they saw during the worst of the ...

Since SARS-CoV-2 first emerged in late 2019 the virus has spawned dozens of lineages, a handful of global "variants of concern" that changed the course of the pandemic.

Is it a cold or Covid? An expert M.D. breaks down the most common Covid symptoms to watch for right now—and how to stay ...

NEW YORK -- As Americans brace for the possibility of another difficult winter ahead in the nation's fight against coronavirus, there is a renewed sense of urgency to get as many people inoculated and ...

DURHAM, N.C. (WTVD) -- The CDC has listed the Omicron variant as a "Variant of Concern," listing it alongside Delta in its classification system. Thursday, health officials in Minnesota confirmed a ...

WASHINGTON -- Many of the world's richest countries have spent the past year hoarding coronavirus vaccines, buying up enough doses to vaccinate their populations several times over and consistently ...

COVID-19 cases were relatively low across the country for most of the summer, but they’re now creeping up again. Data shows that this is thanks to the new COVID-19 variant XFG, nicknamed Stratus, ...

SAN FRANCISCO -- Preliminary data out of South Africa is giving the world insight into how strong omicron really is. The South African Medical Research Council just reported this variant may cause ...