Once called Nantucket fever, the tick-borne illness babesios is spreading from the Northeast into the Midwest. A clinical trial starts this month to see if an anti- malaria drug can treat the disease.

The map can give researchers clues to understanding tick-borne diseases, while also showing the public where they’re likely to encounter a lone star tick in the state.

Experts warn that new tropical viruses are headed for the U.S. – and the country should take active measures to fend them off.

Lyme Disease isn't the only tick-driven illness that residents of the northeast should worry about. The CDC says cases of Babesiosis, which can cause flu-like symptoms, are on the rise in 8 states.

With more ticks carrying disease than ever, here's what you need to know about which ticks to watch out for and what to do if you get bitten.