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 ...

When the first reports of a new COVID-19 variant emerge, scientists worldwide scramble to answer a critical question: Will ...

Since the emergence of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), understanding the mechanisms underlying ...

Just as the world began to feel a sense of stability after years of pandemic turbulence, the virus continued to evolve, producing new variants over time. Alarmingly, scientists have recently ...

It likely jumped from animals to humans, the experts said in their final report Friday. However, a critical component of the investigation was missing: Despite repeated requests, the group was not ...

If we want to prevent viral infections or develop drugs that can effectively treat them, those infections have to be ...

"These viruses are so closely related to MERS, so we have to be concerned if they ever infect humans," said virologist Michael Letko.

New coronavirus HKU5-CoV-2 only ‘one small step from spilling over into humans’ say scientists A new coronavirus may only be “a small step away from spilling over into humans”, scientists ...

Scientists believe the variant, called HKU5-CoV-2, may infect a broader range of animals than Covid-19 and may have more potential for jumping between species, the latest research shows. American ...