Cases and hospitalizations related to the Omicron variant may be falling in the United States, but it is a different story in South Korea. COVID-19 infections there remained above 50,000..

A certain mutation in the COVID-19 Delta variant causes infected cells to form disruptive chunks in the lungs and leads to more serious symptoms of the disease, a research team said. If the cells ...

The Omicron variant of the coronavirus is suspected to be the most infectious yet by binding to human receptors better than the Delta variant and the team’s findings show it may have the potential to ...

Four in 10 Minnesotans who contracted COVID-19 reported in a new state survey that they struggled with lingering health problems such ... which accounted for 45% of variants circulating nationally ...