http://www.popsci.com/article/science/ticks-can-make-people-severely-allergic-meat-are-spreading-us?dom=PSC&loc=slider&lnk=4&con=ticks-that-can-make-people-severely-allergic-to-meat-are-spreading
These ticks are all over the Southeast. This Popsci article goes into good detail.
However, there is a spot of good news for those who fall prey to the Lone Star tick’s bite. The effects seem to be temporary, lasting a few months or a few years—as long as you don’t get bit again.