, 1:1941
Date: 28 Feb 2013

Emerging tick-borne disease reaches USA

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medwireNews: A new tick-borne infection caused by the spirochete bacteria Borrelia miyamotoi that produces similar symptoms to Lyme disease has been confirmed in a small number of patients in the USA.

“While many symptoms are similar to Lyme disease, patients also may experience other symptoms, such as relapsing fever,” said Peter Krause (Yale School of Public Health, New Haven, Connecticut, USA), lead author of the letter published in the New England Journal of Medicine, and colleagues.

B. miyamotoi is related to B. burgdorferi, the causative spirochete bacteria for Lyme disease, and is carried by all the same species of ticks. The first report of human infection was in 46 patients in Russia in 2011.

Krause and team assessed whether infection with B. miyamotoi had reached the USA. They tested three groups of people from areas endemic for Lyme disease for the new infection.

In the first group, 584 people were taking part in a survey about tick-borne infections and were from Block Island, P ...