You want to deal with the people behind this shit. Get your SHIT straight first. The "Anti Vax" crowd is an issue especially for children but the largest part of these measles are coming from the large number of Immigrants from India and Pakistan. When these immigrants are let into the country they are NOT required to have an updated MMR vaccine.
Immigrants coming to Canada are not strictly required by law to have the MMR (measles, mumps, and rubella) vaccine to enter the country. Vaccinations are voluntary and not a condition of entry for immigration purposes.
I am supporting FACTS. That is how Israel was founded