Since 2006, reports of lone star ticks have been steadily increasing in Wisconsin, and University of Wisconsin-Madison entomology professor Susan Paskewitz suspects there may be thousands of the ticks in well-established populations that are able to survive the winter. The tick carries ehrlichiosis, a zoonotic bacterial disease, which may also confer a certain type of beef allergy in rare cases. More research is needed to confirm the beef allergy connection, noted Diep Hoang Johnson, a vector-borne disease epidemiologist with the state Department of Health Services.

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