Paulino Hupdah, 73, from the indigenous Hupda ethnic group, is greeted after receiving a Sinovac's coronavirus disease (COVID-19) vaccine shot, at the indigenous village of Santo Atanasio, during an operation for vaccinating indigenous communities in the Upper Rio Negro bordering Colombia, in the Sao Gabriel da Cachoeira district of Brazil's Amazonas state, Brazil, March 3, 2021. Picture taken March 3, 2021. REUTERS/Ueslei Marcelino