9 August 2021. In Vietnam, people who are fully vaccinated against Covid-19 or have been declared recovered coming from outbreak regions will not have to undergo concentrated quarantine. After arrival or returning, they will only need to self-quarantine at home and monitor their health status for seven days.https://sggpnews.org.vn/health/fully-vaccinated-people-only-have-to-selfquarantine-at-home-for-7-days-93901.html