A picture taken on April 27, 2020 shows Syrians who returned from Turkey standing at a quarantine facility in the countryside of the town of Jisr al-Shughur,  west of the mostly rebel-held Syrian province of Idlib, on April 27, 2020 during the coronavirus COVID-19 pandemic. / AFP / Abdulaziz KETAZ
Syrians who returned to Idlib from Turkey stand at a quarantine facility on April 27, 2020. AFP

A lack of Covid-19 tests for refugees is a catastrophe in the making