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Human monocytotropic ehrlichiosis (HME) is a form of ehrlichiosis associated with ''Ehrlichia chaffeensis''. This bacteria is an obligate intracellular pathogen affecting monocytes and macrophages. ==Ecology & Epidemiology== In the USA, HME occurs across the south-central, southeastern, and mid-Atlantic states, regions where both the white-tailed deer (''Odocoileus virginianus'') and lone star ticks (Amblyomma americanum) thrive. HME occurs in California in ''Ixodes pacificus'' ticks and in ''Dermacentor variabilis'' ticks. Nearly 600 cases were reported to the CDC in 2006. In 2001–2002, the incidence was highest in Missouri, Tennessee, and Oklahoma, as well as in people older than 60. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Human monocytotropic ehrlichiosis」の詳細全文を読む スポンサード リンク
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