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

Cases of a new COVID variant have been reported in the UK. The strain has been dubbed 'Stratus' and there are two variants in circulation – XFG and the spin-off XFG.3 According to the UK Health ...

The FDA's Dr. Vinay Prasad said that he disagreed with the agency's career vaccine reviewers about COVID shot approvals.

WHO Director-General Tedros Adhanom Ghebreyesus said it was a “moral imperative” to determine how COVID began, noting that ...

The Covid strain, formally known as XFG and nicknamed Stratus, is said to have one unique symptom that helps identify which ...

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

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

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

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

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