Oxygen cylinders are pictured at an out-of-order oxygen plant of a hospital allocated for the coronavirus patients in preparation for any possible spread of the coronavirus disease in Sanaa, Yemen, April 8, 2020.
Oxygen cylinders are pictured at an out-of-order oxygen plant of a hospital allocated for the coronavirus patients in preparation for any spread of COVID-19 in Sanaa, Yemen, on April 8, 2020. REUTERS/Khaled Abdullah