A medical worker conducts COVID-19 test for an indigenous man in the state of Maranhao, Brazil, Oct. 3, 2020. The Brazilian government launched on Saturday the third phase of "Operation Maranhao" to provide medical care for indigenous people in the northeastern state. The operation, which began on Sept. 14, aims to serve the needs of more than 30,000 indigenous people in the state and provide specialized services in the fight against COVID-19. (Photo by Lucio Tavora/Xinhua)
