According to a new study published in The Lancet Infectious Diseases, the XFG variant has four key mutations and displays ...

The new Covid variant, officially known as XFG and dubbed Stratus, has become the dominant strain in England within weeks, ...

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 ...

A new 'super-contagious' COVID variant dubbed 'Frankenstein' is sweeping the UK - but how do you know if you've got it and is ...

An expert group charged by the World Health Organization to investigate the origins of the COVID-19 pandemic has found no ...

The Covid strain, formally known as XFG and nicknamed Stratus, is said to have one unique symptom that helps identify which ...

Recent vaccination announcements have led to some confusion. Four physicians weigh in on who should get vaccinated and when ...

The World Health Organization’s expert group says the origin of COVID-19 remains inconclusive, though most evidence still ...

WHO first declared COVID-19 to be an emergency more than three years ago. The U.N. health agency's officials said that even though the emergency phase was over, the pandemic hasn't come to an end ...

The World Health Organization said on Friday that efforts to determine the origins of SARS-CoV-2, the virus that caused the ...

Plummeting Covid-19 case counts across the United States are leading to lifted mask mandates and more conversations about steps toward normalcy – but more people are dying of the coronavirus now ...