The incidence and awareness of canine ehrlichiosis have increased dramatically during the last few years. Some ehrli-chia organisms have been reclassified with new nomenclature using highly specific molecular testing procedures.
The discovery of West Nile virus (WNV) in the Northeast United States in 1999 and its subsequent successful establishment on the North American continent over the last three years has had an impact on human and animal populations nationwide.
Douglass K. Macintire, DVM, MS, DACVIM, DACVECC
Parasites of the genus Babesia are hemoprotozoan organisms that can infect red blood cells of vertebrate hosts. Although more than 100 species of Babesia have been identified, only two have been reported to infect dogs: Babesia canis and Babesia gibsoni.