Moria Reception and Identification Centre, on the Greek island of Lesbos, was built to accommodate only 2,200 people. By 2018, it had become the largest camp in Europe for refugees and migrants – its population swelling to over 18,000 men, women and children. Many residents expected to be in Moria for only a few weeks or months. Instead, families routinely wait over a year for their asylum claims to be processed.

When the COVID-19 pandemic broke out in March 2020, asylum seekers went under a severe lockdown in the camp for more than 5 months, surviving in the midst of a mental health emergency
On...