(FILES) This file photo taken on November 18, 2020 shows a syringe and a bottle reading "Vaccine Covid-19" next to the Moderna biotech company logo. - American experts were set to discuss on December 17, 2020 if Moderna's Covid-19 vaccine should be authorized, as European nations vowed to get their coronavirus inoculation campaigns rolling before the end of the year. Surges in infections have prompted tighter restrictions in several European countries, while the United States -- the worst-hit nation in the world -- set a double record, with more than 3,700 deaths and 250,000 new cases in 24 hours on December 16, 2020. (Photo by JOEL SAGET / AFP)