Vials of Sinovac Biotech Ltd.'s CoronaVac SARS-CoV-2 vaccine are displayed at a media event in Beijing, China, on Thursday, Sept. 24, 2020. Chinese vaccine developer Sinovac said that countries running its final-stage clinical trials like Brazil, Indonesia and Turkey will get its coronavirus shots at the same time as China, underscoring how vaccine supply agreements could cement diplomatic ties in the Covid-19 era. Photographer: Nicolas Bock/Bloomberg via Getty Images