Sao Paulo State Governor Joao Doria displays a box of the COVID-19 vaccine produced by the Chinese company Sinovac Biotech at the Hospital das Clinicas (HC) in Sao Paulo State, during its trial stage, during a press conference in Sao Paulo, Brazil, on July 21, 2020 amid the novel coronavirus pandemic. — The vaccine trial will be carried out in Brazil in partnership with the Brazilian Research Institute Butanta. (Photo by Nelson ALMEIDA / AFP) (Photo by NELSON ALMEIDA/AFP via Getty Images)
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