More than 50% of deer ticks tested in Wisconsin study carry Lyme disease bacteria
MARSHFIELD, Wis. – More than half of deer ticks tested by Marshfield Clinic Research Institute from its citizen science tick study were found to carry the bacteria that causes Lyme disease. The Marshfield Clinic Research Institute launched the Tick Inventory via Citizen Science in the spring of 2024 to investigate tick species ranges in the upper Midwest, as well as the pathogens carried by I. scapularis, also known as the deer tick or black-legged tick. Deer ticks, which may only be the size of a poppy seed, are commonly found in Wisconsin in wooded areas and grasslands. They ...