Biden administration to buy 500 million Pfizer coronavirus vaccine doses to donate to the worldThe U.S. president plans to announce the vaccine-sharing plan at the Group of Seven summit in England this week. China approves vaccine for children ages 3 to 17China has approved another vaccine for children ages 3 to 17 as the country works to vaccinate a large portion of its population of 1.4 billon people by the end of this year. EU joins Biden’s call for fresh probe into coronavirus origins‘Investigators need complete access,’ European Commission President Ursula von der Leyen said in a dig at China. WHO renames coronavirus variants with ‘non-stigmatizing’ Greek lettersGovernments could be more willing to disclose the existence of a newly detect variant if they’re sure that it won’t be named after their country, WHO officials hope. WHO rules out new 'hybrid' Covid-19 variant in VietnamA coronavirus variant that Vietnamese authorities thought was a combination of the Indian and UK strains is not a new hybrid but part of the existing Indian strain, the World Health Organization's (W… WHO urged to reform after panel finds failures worsened pandemicThe international system remains unfit to avoid another disease spiraling into one that matches COVID-19, an independent review has found. Biden calls for deeper probe into COVID-19 originsPresident Joe Biden has asked US intelligence officials to “redouble” their efforts to determine the origins of the coronavirus pandemic. WHO official: Delta variant 'poised to take hold' in EuropeThe World Health Organization's (WHO) regional director of the Europe office said on Thursday that the Delta variant of the coronavirus is “poised to take hold” on the continent as the U.K. The White House outlines a plan for how the U.S. would distribute an initial 25 million doses around the world.Three quarters will be given to the Covax effort. The rest will be reserved for “immediate needs and to help with surges around the world,” officials said, including in India and the West Bank and Gaza. Chinese state media is turning on Fauci amid Wuhan lab controversyAfter weeks of facing fierce attacks from Republicans, top US infectious disease expert Anthony Fauci now has a new critic: Chinese state media.