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 know about symptoms and vaccines.

Pepper, the pet cat who made headlines last year for his role in the discovery of the first jeilongvirus found in the U.S., ...

Given the number of times this has happened already, it should come as little surprise that we're now faced with yet another ...

The COVID pandemic illustrated how urgently we need antiviral medications capable of treating coronavirus infections.

avian flu and even SARS-CoV-2 all trace back to animal hosts. But what's often missing is direct observation of spillover ...

The White House replaced the federal government’s hub for news and updates on COVID-19 with a website saying the virus leaked out of a Chinese lab.

Scientists remain divided on the origins of the COVID-19 virus, with limited data and no consensus reached after years of ...

The World Health Organization said on Friday that efforts to determine the origins of SARS-CoV-2, the virus that caused the COVID-19 pandemic, are still ongoing and incomplete. The WHO Scientific ...

A recent study shows that previously healthy children and adolescents who recovered from SARS-CoV-2 infection face an elevated risk of developing type 1 diabetes in the following 6 months.

Scientists have uncovered a stealthy tactic used by the SARS-CoV-2 virus: one of its proteins can leap from infected cells to ...