A new COVID-19 variant called "Stratus" has been circulating in Oklahoma, and the state's positive test rate has been higher than the national average during the summer months. Stratus is the ...

A new COVID-19 variant called Stratus is rapidly spreading worldwide, distinguished by one telltale early symptom that sets it apart from other strains. The emerging strain appears in two forms: XFG ...

Summer heat, outdoor fun ... and cold and flu symptoms? The three may not go together in many people's minds: partly owing to common myths about germs and partly because many viruses really do have ...

COVID-19 variant XFG is spreading across the U.S., becoming the third most common strain. XFG is a combination of variants F.7 and LP.8.1.2 and may be less contagious than other dominant variants.

Covid-19 was never just another cold. We knew it was going to stick around and keep changing to try to get the upper hand on our immune systems. But we've changed, too. Our B cells and T cells, ...

World Health Network experts urge WHO to make N95, KN95, or FFP2 respirators the standard for protection for healthcare ...