the emergence of theileria parva in jonglei state, south sudan: confirmation using molecular and serological diagnostic tools.a cross-sectional survey was carried out in four counties of jonglei state, south sudan, between may and june 2012 to determine the distribution and northern limit of theileria parva, the causative agent of east coast fever in cattle, and its tick vector rhipicephalus appendiculatus, as a prerequisite to the deployment of relevant control strategies. a total of 1636 ticks, 386 serum samples and 399 blood samples were collected from indigenous, apparently healthy, cattle of different age groups. ...201627005905
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