In two words, Lyme disease. Lyme disease can be transmitted to humans after a tick bite. This study is designed to help us understand more about how people’s practices and activities impact their exposure to ticks. This research is being done because Lyme disease is the most common vector-borne disease (infections transmitted by the bite of infected arthropod species, such as mosquitoes, ticks, sandflies, etc) in the United States. The information provided will help us design integrated control strategies to prevent diseases transmitted by ticks.