illegeal entry to a country

https://www.loc.gov/law/help/illegal-entry/chart.php

uk cdc  https://wwwnc.cdc.gov/travel/destinations/traveler/none/united-kingdom

canada (cdc version) https://www.canada.ca/en/public-health.html

usa cdc   https://www.cdc.gov/coronavirus/2019-ncov/vaccines/keythingstoknow.html