Medical staff in personal protective equipment (PPE) conduct a COVID-19 swab test on a South Asian worker at the Westlite Mandai foreign workers dormitory in Singapore, 29 April 2020. The vast majority of Singapore's nearly 15,000 confirmed coronavirus cases were detected in migrant workers that live in foreign worker dormitories. The Ministry of Health set various dormitories as isolation zones and moved healthy workers into separate facilities in order to quell the spread of the virus.