Borrelia miyamotoi

Expert Warns of New Tick-borne Disease, UConnToday, May 11, 2016Borrelia miyamotoi is an emerging tick-borne disease which is caused by a different Borrelia than the one that causes Lyme disease. It was discovered more than 20 years ago in Japan and was originally thought not to cause disease. However a few years ago, a Russian physician found that it was indeed causing disease in some patients. The first diagnosed case was reported here in the U.S. in 2013. Some people become infected without showing symptoms at all, while others can have mild to severe symptoms. Some of the symptoms are different from those of Lyme disease. Borrelia miyamotoi infections usually have no rash, but the patient may have a fever, severe headache, arthralgia (achy joints), chills, fatigue, low blood platelets, and low white blood cell count. The symptoms are actually closer to those of anaplasmosis, another tick-borne disease.

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