關於「Singapore VTL countries」標籤，搜尋引擎有相關的訊息討論：

Vaccinated Travel Lane Extended to Six More Countrieswww.caas.gov.sg › who-we-are › newsroom › Detail › vac...[PDF] Annex Summary of Vaccinated Travel Lane (VTL) Requirementswww.caas.gov.sg › default-source › docs---cc › annex---21-nov-21[PDF] Vaccinated Travel Lane (VTL) - Sin