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Rare tick disease poses a danger in Minnesota lakes area
State health officials say blacklegged ticks are moving north and Powassan cases remain rare but can cause permanent neurological damage.
Minnesota Department of Health officials warn that the lakes area presents significant risks during peak tick season, with Elizabeth Schiffman noting the period from late May through mid-July carries the highest risk for tick-borne diseases.
While Lyme disease is more common, the Powassan virus is a rarer but severe threat; Matthew Aliota of the University of Minnesota Twin Cities notes about 5% of ticks carry the virus, which can cause permanent neurological damage.
Cass and Itasca counties recorded the highest Powassan case numbers from 2008 to 2022, while Teal Johannsen shared her story of her father, Jeffrey, whose active life was impacted by the virus after contracting it near Gull Lake.
Utilizing protective clothing and EPA-registered repellents like Permethrin is essential for prevention; Schiffman advises checking for EPA registration indicators on product labels to ensure repellents work as intended.
Diagnostics for Powassan remain challenging because symptoms often mimic generalized illnesses, and Schiffman notes the virus is not regularly included in standard commercial laboratory panels, complicating early detection for providers.