COVID-19 patients are treated inside a non-invasive ventilation system named the 'Vanessa Capsule' at the municipal field hospital Gilberto Novaes in Manaus, Brazil, Monday, May 18, 2020. The field hospital set up inside a school currently has nearly 150 beds and is operating near its limit as it treats patients both from the capital and from rural areas of the Amazon state. (AP Photo/Felipe Dana)