LONDON -- An expert group charged by the World Health Organization to investigate how the covid-19 pandemic started released its final report Friday, reaching an unsatisfying conclusion: Scientists still aren't sure how the worst health emergency in a ...

A 2022 Defense Department report long withheld by the Biden administration has recently surfaced and reveals that seven U.S. service members showed COVID-19-like symptoms after having competed in the World Military Games in Wuhan, China, months before the ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images An alleged warning has spread online for years about a supposed "new COVID-Omicron XBB variant" — a new strain of the coronavirus that has spread globally since early 2020.