Human Granulocytic Anaplasmosis
Open accessAbstract
Human granulocytic anaplasmosis, a deer tick-transmitted rickettsial infection caused by Anaplasma phagocytophilum, is a common cause of undifferentiated fever in the northeast and upper Midwest United States. Patients are often initially diagnosed with a mild viral infection, and illness readily resolves in most cases. However, as many as 3% develop life-threatening complications and nearly 1% die from the infection. Although coinfections with Borrelia burgdorferi and Babesia microti occur, there is little evidence to suggest synergism of disease or a role for A phagocytophilum in chronic illness. No vaccine is available.
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A. phagocytophilum is the etiologic agent for Human Granulocytic Anaplasmosis (HGA), which occurs in America, Europe and Asia.
“A. phagocytophilum is the etiologic agent for Human Granulocytic Anaplasmosis (HGA), which occurs in America, Europe and Asia [31].”
From Tick-borne pathogens in ticks collected from dogs, Latvia, 2011–2016 (2019) · cites this paper as [31]
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- Authors
- Bakken, J. S., & Dumler, J. S.
- Affiliations
- University of Minnesota (US)
- University of Maryland, Baltimore (US)
- Corresponding author
- Dumler, J. Stephen
- ORCID
- Dumler, J. Stephen
- Venue
- Infectious Disease Clinics of North America
- Publisher
- Elsevier BV
- Published
- 2015-06
- Volume
- 29
- Issue
- 2
- Pages
- 341-355
- ISSN
- 0891-5520 (ISSN-L)
- PMC
- PMC4441757
- OpenAlex
- W2075556106
- Cited by
- 429
- References
- 0
- Citations by year
- 2026: 28 · 2025: 25 · 2024: 32 · 2023: 41 · 2022: 29 · 2021: 32 · 2020: 35 · 2019: 34 · 2018: 27 · 2017: 31 · 2016: 29 · 2015: 23 · 2014: 7 · 2013: 8 · 2012: 5
- FWCI
- 4.56
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Infectious Disease Clinics of North America (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institutes of Health (5r01ai044102-19)
- National Institute of Allergy and Infectious Diseases (R01 AI44102, R01-AI044102)
- Topics
- Life Sciences › Immunology and Microbiology › Parasitology › Vector-borne infectious diseases
- Health Sciences › Medicine › Infectious Diseases › Viral Infections and Vectors
- Life Sciences › Immunology and Microbiology › Parasitology › Bartonella species infections research
- Keywords
- human granulocytic anaplasmosis, Anaplasma phagocytophilum, Ixodes scapularis, rickettsial infection, undifferentiated fever, tick-borne diseases, disease severity, mortality, vaccines
- MeSH terms
- Anaplasmosis, Fever, Granulocytes, Humans, Risk Factors, Anaplasma phagocytophilum
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