nymag.com/strategist: The Most Effective Tick Repellents for Humans (and Dogs), According to Science
From the article:
"The desire to keep ticks at bay feels especially urgent this year. There's the news that the number of insect-borne diseases in the United States has tripled since 2014, and the discovery of a new disease-carrying tick in New Jersey. If you've been in the woods and are worried about a tick bite, start by checking your ankles. "Ticks start low and crawl up," says Dr. Thomas N. Mather, director of the University of Rhode Island's Center for Vector-Borne Disease and its TickEncounter Resource Center. "So if they get to the top of your head, it's not that they fell out of a tree. Instead, they've crawled all the way up across your body.""