Lyme Disease

As human-driven climate change makes winters shorter, ticks are spreading to new parts of the country. And when ticks find hospitable homes, they bring new tick-borne illnesses to the humans who live there. Now, surveyors in Montana are searching for invasive ticks to track and prepare for the diseases they can carry.

A Montana man who discovered the underlying cause of Lyme disease died Monday in Hamilton.Dr. Wilhelm "Willy" Burgdorfer was born in Switzerland where he…