16 July 2021. The “Samui Plus” tourism scheme kicked off on Thursday to welcome fully-vaccinated foreign tourists in Thailand, two weeks after the Phuket Sandbox reopening. The Samui Plus model covers Koh Samui, Koh Phangan and Koh Tao.https://www.bangkokpost.com/thailand/general/2149419/samui-plus-scheme-kicks-off-for-journos