New strain of ehrlichiosis

Deer tickAug. 3, 2011 – A new strain of ehrlichiosis, a tick-borne disease, is being spread by deer ticks, the same ticks that spread Lyme disease, anaplasmosis, and babesiosis.So far, the new ehrlichiosis strain has been found only in Minnesota and Wisconsin, even though thousands of ticks from across the U.S. were analyzed.

But it’s being spread by deer ticks, previously thought not to carry ehrlichia bacteria. And deer ticks are common in Eastern states.

“Before this report, human ehrlichiosis was thought to be very rare or absent in Minnesota and Wisconsin. Therefore, physicians might not know to look for Ehrlichia infections at all, study leader Bobbi Pritt, MD, director of the clinical parasitology and virology laboratory at Mayo Clinic, says in a news release. (Excerpt)