NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent ...

New WHO report suggests COVID-19 originated from animal-to-human transmission, though Director-General Tedros maintains all ...

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

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

Alberta's new path makes it an outlier in Canada, prompting questions about why the province has diverged from national recommendations on vaccines, what the timeline is for rolling out the new ...

Authors cited in a document circulated by the US Department of Health and Human Services (HHS) as justification for changes ...

Despite years of global investigation, the WHO confirms COVID-19’s true origin remains unknown due to limited data, with ...

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

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

The days of tracking COVID-19 infections are coming to an end due to a series of decisions at the federal and state level. At the beginning of the pandemic, a number of tracking programs were created ...

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

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 ...