Aspects of the Epidemiology of January disease (Theileria parva bovis infection) in Zimbabwe.

The history of theileriosis in Zimbabwe is presented covering the period from the introduction of East Coast Fever in 1901 to the mid-1980s. This is followed by a series of 8 papers on the following topics: occurrence, isolation and characterization, epidemiology, age resistance, transmission by Rhipicephalus appendiculatus, a study of the T. parva carrier state, and the immunization of cattle against T. p. bovis. These papers are followed by a discussion and conclusions.