Mexicans have been PROVEN to carry Antibiotic Resistant Tuberculosis and other NASTY diseases that traditionally were alleviated in the 21st Century Developed World.
I do not doubt that. But, good luck with getting the LIV to absorb and believe it. What works is the economic impact.
I maintain that is a losing proposition to bring disease into the debate. You will never be able to document it (HIPPA) and you get painted with a “you hate sick people” tag.
We are now told that we "need to renew our immunizations every 'few years!'"
More that forty years ago and doing just fine until a huge influx of illegals, an outbreak of Whooping Cough, so now WE must "renew our childhood immunizations."