RT Book, Section A1 Levinson, Warren A1 Chin-Hong, Peter A1 Joyce, Elizabeth A. A1 Nussbaum, Jesse A1 Schwartz, Brian SR Print(0) ID 1185661227 T1 Rickettsiae T2 Review of Medical Microbiology & Immunology: A Guide to Clinical Infectious Diseases, 16e YR 2020 FD 2020 PB McGraw Hill PP New York, NY SN 9781260116717 LK accessmedicine.mhmedical.com/content.aspx?aid=1185661227 RD 2024/04/25 AB Rickettsiae are obligate intracellular bacteria; that is, they can grow only within cells. They are the agents of several important diseases, namely typhus, spotted fevers such as Rocky Mountain spotted fever, Q fever, ehrlichiosis, and anaplasmosis. Other less important rickettsial diseases such as endemic and scrub typhus occur primarily in developing countries.