A recent CDC report warns that Lyme and West Nile aren’t the only tick-borne diseases New Hampshire hikers should worry about this summer. In fact, the federal organization is tracking 16 “vector-borne diseases” and says the number of cases has tripled between 2004 and 2016. Dr. Elizabeth Talbot, an associate professor of medicine at Geisel School of Medicine at Dartmouth College, says there are more tick-borne diseases than many people may be aware of. And Jonathan Winter, an assistant professor of geography at Dartmouth College, says changes in land use are partly to blame for rising tick populations. As always, experts recommend a good tick repellent when venturing outdoors,