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Republican lawmakers call for travel ban to prevent ‘mystery illness’December 2, 2023 -
US issues 'Do Not Travel' advisory for CanadaJanuary 11, 2022 -
World Health Organization says unvaccinated people over 60 shouldn't travelDecember 1, 2021 -
U.S.-Canadian border could re-open to fully vaccinated travelers in AugustJuly 16, 2021