Not the kind they are talking about.
REad the book “Lost City of the Monkey God” by Preston.
https://en.wikipedia.org/wiki/Douglas_Preston
Leishmaniasis (also known as White Leprosy) is not curable and is transported by sandflys that bite infected mammals. It’s spreading from Central America via mass migration. Usually though pets being brought by migrants. It can be stopped by a very painful and nasty procedure, but, all this does is weaken the disease until your body can fight it off.
https://en.wikipedia.org/wiki/Leishmaniasis
We do NOT want this coming here.
Good book! Bad disease, though.
Well, then, the infected immigrants either consent to undergoing the painful treatment — they’re not U.S. citizens, after all — or they go back.