They should criminalize it. A person who knowingly has AIDS, and infects another, should be held accountable, for murder or otherwise. It appears that these people have no regard for human life -- treat them like any other KILLER.
An additional 20% or more were druggies. Which bring the grand total to over 80% in the illicit catagory....
Test and quarantine. Make it a crime *not* to report that someone has AIDS, instead of the way it is now. Alow "innocent AIDS sufferer" designation for people who got it from transfusions, dentists, or etc.