COVID-19 vaccine passports to reopen travel and the economy, with officials saying that they would need “reliable scientific evidence” before considering its use in Canada.In a statement emailed to Global News on Sunday, Health Canada said governments and international bodies around the world are “exploring the possible use of vaccination certificates as one tool to support the re-opening of societies and economies.”“The Government of Canada is aware that some jurisdictions are considering granting privileges to vaccinated people through a certification process,” the email reads. “Any similar consideration in the Canadian context would have to be based on reliable scientific evidence.”Health Canada said the “scientific evidence is clear”.