A new Covid-19 variant called NB.1.8.1, or Nimbus, represents about a third of new US Covid-19 cases. Dr. Leana Wen answers ...

While some might feel the COVID-19 concern has passed, a new strain of the virus is currently circulating in California, and ...

An expert group from the World Health Organization failed to find a definitive answer to the COVID-19 pandemic’s origins in ...

"Until further requests for information are met, or more scientific data becomes available, the origins of SARS-CoV-2 and how ...

Sharp throat pain that feels like swallowing razor blades—this symptom is particularly noticeable in infections with the new ...

The virus killed at least 20 million people, wiped at least $10 trillion from the global economy and upended billions of ...

An expert group charged by the World Health Organization to investigate how the COVID-19 pandemic started released its final ...

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

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

The Occupational Safety and Health Administration June 30 released a proposed rule to remove what remains of its emergency ...

COVID-19 variants are back in the news as a fresh variant of the virus is on the rise in the eastern Mediterranean, Southeast ...