Health workers celebrate the closure of a temporary hospital at Ibirapuera Gymnasium in Sao Paulo, Brazil on Sept. 26, 2020. The hospital is to be officially closed on Sept. 30. (Photo by Rahel Patrasso/Xinhua)

A patient is discharged from a temporary hospital at Ibirapuera Gymnasium in Sao Paulo, Brazil on Sept. 26, 2020. The hospital is to be officially closed on Sept. 30. (Photo by Rahel Patrasso/Xinhua)

Health workers release balloons to celebrate the closure of a temporary hospital at Ibirapuera Gymnasium in Sao Paulo, Brazil on Sept. 26, 2020. The hospital is to be officially closed on Sept. 30. (Photo by Rahel Patrasso/Xinhua)