Newly Discovered Ehrlichia Species Implicated in Human Infection

Abstract

Tickborne zoonoses are important human illnesses that are often misdiagnosed. Early after infection, fever and headache may be the only complaints; the seasonality and limited geographic distribution of these illnesses can hinder their consideration in the differential diagnosis of nonspecific febrile illness. From June 1 through December 31, 2009, 4247 blood samples from patients throughout the U.S. with suspected ehrlichiosis …