The "immigrants" that spread this one were Ontarians visiting New Brunswick and bringing it back to Ontario. Do you want vaccine passports at provincial borders now?
https://www.ctvnews.ca/toronto/article/measles-outbreak-trac...
Here's a case where a Mennonite kid who brought it home after catching it from an unvaccinated 9-year-old from the UK while on a trip to Disneyland (see p 251). Are you blaming that on "immigrants"? TBH - your comment presents as nothing more than lazy racism.
https://www.canada.ca/content/dam/phac-aspc/migration/phac-a...
The Anabaptist communities are well aware that they are at special risk when the whole community opts-out. What's changed is they are starting to travel and build a truly international community. Once you combine international travel and a vaccine-hesitant community, you're going to have trouble. Immigrants have nothing to do with this.
https://www.mennoniteusa.org/measles/
2002 - https://www.immunize.ca/sites/default/files/resources/74e.pd... 2015 - https://www.cbc.ca/news/canada/calgary/immunization-rates-so... 2025 - https://www.ctvnews.ca/toronto/article/measles-outbreak-trac...