Lyme disease brought on by Borrelia mayonii

Lyme disease brought on by Borrelia mayonii

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In 2016, researchers from Mayo Clinic, in collaboration with the CDC and well being officers from Minnesota, North Dakota and Wisconsin found a brand new bacterial species (Borrelia mayonii) that causes Lyme disease. Beforehand, Borrelia burgdorferi was the one bacterium believed to trigger Lyme disease. [1]


Because the species was first recognized 7 years in the past, there have been solely 7 reported instances of Lyme disease brought on by Borrelia mayonii.

In Open Discussion board Infectious Illnesses Correspondence, McGowan and colleagues describe the current case of a Borrelia mayonii an infection in a 51-year-old man from northern Minnesota.

The case is featured in a Letter to the Editor, entitled “Acute Lyme Disease With Atypical Features due to Borrelia mayonii.”²

“Lest there be any doubt of the continuing medical relevance of B mayonii within the higher Midwest, we describe a current case from northern Minnesota.”


A 51-year-old man was admitted to the hospital with fever, shaking chills, intense headache, intermittent confusion, diffuse arthralgias, dry cough, generalized weak spot, and gentle dyspnea. His signs had been ongoing for 2 days.

“For the previous 2 weeks, he had been felling timber and clearing brush on his property in rural Minnesota,” the authors state.

The affected person had patches of confluent macular erythema on his torso.

PCR testing was constructive for Borrelia mayonii.  Different Borrelia species, together with B burgdorferi, garinii, and afzelii, weren’t detected.

The affected person was handled efficiently for Lyme disease with IV ceftriaxone, adopted by doxycycline.

A number of of the affected person’s signs weren’t typical for an an infection with B. burgdorferi, together with patchy macular erythema, excessive fever, and encephalopathy, the authors state.

“Notably, every of those indicators/signs was current in at the least 50% of the B. mayonii–contaminated sufferers described within the authentic report, offering potential clues for analysis.”

Authors counsel:

In sufferers who’re acutely sick and have at the least 2 of the above-mentioned medical options, together with Midwestern tick publicity, the diagnostic workup ought to embody molecular testing for B. mayonii within the blood and/or CSF.

  2. McGowan MS, Kalinoski TM, Hesse SE. Acute Lyme Illness With Atypical Options as a consequence of Borrelia mayonii. Open Discussion board Infect Dis. 2023 Oct 24;10(11):ofad524. doi: 10.1093/ofid/ofad524. PMID: 37942466; PMCID: PMC10629358.

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