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 ...

Records show that a top U.S. regulator rejected the recommendations of agency experts and limited the use of Covid vaccines.

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

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

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 ...

The latest data by the UK Health Security Agency (UKHSA) reveals that the XFG variant, dubbed Stratus, is rapidly spreading ...

New Covid strain spreads across UK with unique symptom - The XFG and XFG.3 variants currently account for around 30 percent ...

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

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 ...