17 April 2022. According to new guidance issued by Vietnam’s Ministry of Health, people who have been in close contact with Covid-19 cases (F1 cases) are now no longer required to self-quarantine but have to avoid going to large gatherings.https://www.thestar.com.my/aseanplus/aseanplus-news/2022/04/17/people-in-close-contact-with-covid-19-patients-no-longer-required-to-self-quarantine-says-vietnam-health-ministry