What to know
There are multiple online references in print and video, along with educational courses, for healthcare providers to learn more about ehrlichiosis testing and treatment.
Healthcare provider resources
Key references
- Rickettsial Disease Diagnostic Testing and Interpretation (YouTube video)
- Rickettsial Disease Diagnostic Testing and Interpretation Fact Sheet (English Print only)
Continuing education
Diagnosis and treatment of ehrlichiosis and anaplasmosis (WB4504)
This activity highlights the following topics:
- Geographic distribution, tick vectors, and seasonality
- Clinical characteristics
- Treatment recommendations
- Diagnostic tools and limitations
- Tick bite prevention
Ehrlichiosis and anaplasmosis among transfusion and transplant recipients in the United States
This activity highlights the following topics:
- Clinical characteristics and implications of infections among transfusion and transplant recipients
- Recognition and diagnosis of donor-derived infection
- Prevention of donor-derived infection
Publications
- Diagnosis and Management of Tickborne Rickettsial Diseases: Rocky Mountain Spotted Fever and Other Spotted Fever Group Rickettsioses, Ehrlichioses, and Anaplasmosis — United States: A Practical Guide for Health Care and Public Health Professionals (2016).
- Dahlgren FS, Mandel EJ, Krebs JW, Massung RF, McQuiston JH. Increasing incidence of Ehrlichia chaffeensis and Anaplasma phagocytophilum in the United States, 2000–2007. Am J Trop Med Hyg. 2011;85(1):124-131.
- Nichols Heitman K, Dahlgren FS, Drexler N, Massung RF, Barton Behravesh C. Increasing incidence of ehrlichiosis in the United States: A summary of national surveillance of Ehrlichia chaffeensis and Ehrlichia ewingii infections in the United States, 2008–2012. Am J Trop Med Hyg. 2016;94(1):52-60.
- Council of State and Territorial Epidemiologists, 2007. Position Statements 2007 ID-03: Revision of the National Surveillance Case Definition for Ehrlichiosis (Ehrlichiosis/Anaplasmosis).
- Pritt BS, Sloan LM, Johnson DK, Munderloh UG, Paskewitz SM, McElroy KM, McFadden JD, Binnicker MJ, Neitzel DF, Liu G, Nicholson WL, Nelson CM, Franson JJ, Martin SA, Cunningham SA, Steward CR, Bogumill K, Bjorgaard ME, Davis JP, McQuiston JH, Warshauer DM, Wilhelm MP, Patel R, Trivedi VA, Eremeeva ME. Emergence of a new pathogenic Ehrlichia species, Wisconsin and Minnesota, 2009. N Engl J Med. 2011;365:422-429.
- Paddock CD and Branch MRZ. Changing paradigms for tick-borne diseases in the Americas. In Global health impacts of vector-borne diseases: Workshop summary (pp. 221-257). National Academies Press; September 2016.
- Harris RM, Couturier BA, Sample SC, Coulter KS, Casey KK, Schlaberg R. Expanded geographic distribution and clinical characteristics of Ehrlichia ewingii infections, United States. Emerg Infect Dis. 2016;22(5):862–865.
- Mowla SJ, Drexler NA, Cherry CC, Annambholta PD, Kracalik IT, Basavaraju SV. Ehrlichiosis and Anaplasmosis among Transfusion and Transplant Recipients in the United States. Emerg Infect Dis. 2021;27(11):2768-2775. doi:10.3201/eid2711.211127.