Migrant workers, carrying their passports and vaccination cards, wait outside Dhaka Medical College Hospital to get vaccine shots for COVID-19 on Sunday, Oct 3, 2021. Photo: Asif Mahmud Ove Migrant workers, carrying their passports and vaccination cards, wait outside Dhaka Medical College Hospital to get vaccine shots for COVID-19 on Sunday, Oct 3, 2021. Photo: Asif Mahmud Ove