Here's what is known about the new Covid XFG, or 'Stratus', variant from UK cases and symptoms to what the World Health Organisation has said ...

Covid isn’t gone, but “it’s just not as horrible as it used to be, and everybody has some immunity to it. You either have been vaccinated and boosted, or you’ve had it, or ...

People who have survived cancer as children are at higher risk of developing severe COVID-19, even decades after their ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to ...

Vitamin D deficiency still contributes to COVID-19 severity in the post-Omicron era, though risks are reduced compared to ...