Epidemiology of Ehrlichiosis Caused By Ehrlichia Chaffeensis and Ehrlichia Ewingii in the United States, 2008–2012
Kristen Nichols Heitman, MPH, F. Scott Dahlgren, Naomi A. Drexler, DrPH and Casey Barton Behravesh, MS, DVM, DrPH, DACVPM, Centers for Disease Control and Prevention, Atlanta, GA