- an infectious disease occurring chiefly in Japan and the East Indies, caused by the organism Rickettsia tsutsugamushi, transmitted by mites through biting.
- an acute febrile disease characterized by severe headache, skin rash, chills, and swelling of the lymph nodes, caused by the bite of mites infected with the microorganism Rickettsia tsutsugamushi: occurs mainly in Asia, Australia, and the islands of the western Pacific
