babesiosis

(bə-bēˌzē-ōˈsĭs) also bab·e·si·a·sis (băbˌĭ-zīˈə-sĭs)

1. A tick-borne protozoan infection of animals, such as Texas fever of cattle, that is caused by species of Babesia.
2. A human protozoan disease of red blood cells caused by Babesia species that is transmitted by the northern deer tick, characterized by fever, malaise, and hemolytic anemia, and prevalent on the coastal islands of the northeast United States.