Thare are 3 known diseases caused by infection with rickettsial agents> They are North Asian tick-borne rickettsiosis, Queensland tick typhus, and African tick typhus (fièvre boutonneuse).
RICKETTSIOSES OF THE EASTERN HEMISPHERE, TICK-BORNE
Meaning of RICKETTSIOSES OF THE EASTERN HEMISPHERE, TICK-BORNE in English
English dictionary of medicine. Английский словарь медицины. 2012