For weeks, Hoang Thi Quynh worked and slept inside a garment factory in Tien Giang Province, in southern Vietnam. She would start her shift at 7:15am and then, after a day spent sewing sportswear garments, enter an empty hall of the factory complex and settle down for the night. Each worker had a tent, set one or two meters apart, containing a foil mat, pillow, blanket and a box to store their belongings. No workers were permitted to meet anyone from outside the factory. Even speaking to a visitor over the gates was forbidden. A COVID-19 wave that spread across the industrial