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

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

According to a new study published in The Lancet Infectious Diseases, the XFG variant has four key mutations and displays ...

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

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

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

WHO’s Tedros says ‘all hypotheses must remain on the table’ after critical information not provided to investigators.

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 ...

The World Health Organization's probe into the cause of COVID-19 has not resulted in a definitive reason, with its ...

All hypotheses on how the COVID-19 pandemic began remain open, the World Health Organization said Friday, following an ...

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