Source: South China Morning PostA European Union proposal to open up travel within the bloc using digital health certificates would allow countries to decide whether to recognise Covid-19 vaccines not approved by the European regulator, as some look to China and Russia for doses.The proposal, unveiled on Wednesday, comes as countries around the world are grappling with how vaccines can be used to ease travel restrictions, and questions arise over whether governments should recognise vaccines that have not been approved within…Read More