16 January 2022. HCM City’s health department announced a total of 18 new Omicron cases, all imported cases that were quarantined on arrival. They are currently under quarantine and medical observation at the No.12 COVID-19 field hospital in Thủ Đức City. https://vietnamnews.vn/society/1115691/hcm-city-logs-18-new-omicron-cases-over-the-weekend.html