We don't IMPORT people. That is what the slave-holders did. We ALLOW them to immigrate. I'm sure you see the difference here.
The disease-ridden people? Like those American-born Americans with AIDS? Cancer? Huntington's Disease? Diabetes? Strokes? Lung cancer, both tobacco and non-tobacco related? Alcohol related diseases?
IMHO: Préférable de garder votre pantalon. :o)
Good Lord! Do you really not see the difference between people with diabetes and people with a deadly communicable disease?