Sennetsu fever

Sennetsu fever /sə·net′so̅o̅/ , a febrile disease occurring in Japan and Malaysia, caused by the bacterium Ehrlichia sennetsu. Symptoms include headache, nausea or vomiting, lymphocytosis, and postauricular and posterior lymphadenopathy. The vector of this disease is unknown; however, infection may occur from ingestion of raw fish.