passages.id: split_1_test_2966_passage
passages.type: progene_text
passages.text: Ongoing research now gives an additional focus to a broad range of other bacteria and parasites in ticks like Anaplasma phagocytophilum , former Ehrlichia sp. , Rickettsia sp. and Babesia sp. Knowledge about the prevalence of these infectious agents in ticks is an important prerequisite for risk assessment of human diseases .