Borrelia mayonii Disease Statistics - Minnesota Dept. of Health

Borrelia mayonii Disease Statistics

Human illness due to Borrelia mayonii was first identified in a Minnesota resident in 2013. Since then, an average of 1-3 human cases have been reported in Minnesota residents each year.

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Most B. mayonii cases report likely exposure to blacklegged ticks in the same east-central, north-central, and southeast Minnesota counties where the risk of Lyme disease is greatest.

Updated Thursday, 14-Feb-2019 08:27:52 CST