ArticleThe American journal of tropical medicine and hygiene2016
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.
Article in The American journal of tropical medicine and hygiene, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers, 1 of them a synthesis that pooled it.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
55 citing papers in PubMed, 1 synthesis or guideline pooled it, 142 citations in OpenAlex.
- Human monocytotropic ehrlichiosis-A systematic review and analysis of the literature.PLoS neglected tropical diseases · 2024Pooled it
- Prevalence of tick-borne pathogens in ixodid ticks collected from domestic animals in southeast Iran.New microbes and new infections · 2026Article
- Filling the Gap: Establishing a Statewide Tick and Tick-Borne Pathogen Surveillance Program.Insects · 2026Article
- Completion of Paired Serological Testing Algorithms for Spotted Fever Rickettsiosis and Ehrlichiosis, North Carolina: 2017-2020.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2026Article
- Park Size and Trail Environment Influence the Seasonal Transmission Risk of Tick-Borne Pathogens in Nashville Metropolitan Area Parks, Tennessee.The American journal of tropical medicine and hygiene · 2025Article
- Article
- Spatial and clinical epidemiology of spotted fever rickettsioses and ehrlichiosis, North Carolina, 2010-2019.PLoS neglected tropical diseases · 2025Article
- Ticks of Delaware revisited: an updated checklist of hard ticks (Ixodidae) and first records of soft ticks (Argasidae) in the First State.Journal of medical entomology · 2025Article
- National Surveillance of Human Ehrlichiosis Caused by Ehrlichia ewingii, United States, 2013-2021.Emerging infectious diseases · 2025Review
- Contribution of Limited Molecular Testing to Low Ehrlichiosis Diagnosis in High Incidence Area, North Carolina, USA.Emerging infectious diseases · 2025Article
- Seroprevalence of spotted fever rickettsiosis and ehrlichiosis among food processing workers and their families in Latino communities in North Carolina.PLOS global public health · 2025Article
- Effects of woody plant encroachment on abundance of multiple tick species in the U.S. Great Plains.PloS one · 2025Article
- Article
- Pulmonary hypertension with severe sepsis in ehrlichiosis: what you should know before you hike.BMJ case reports · 2024Article
- Neurological manifestations of ehrlichiosis among a cohort of patients: prevalence and clinical symptoms.BMC infectious diseases · 2024Article
- Ticks and Tick-Borne Pathogens Circulating in Peri-Domestic Areas in Mainland Portugal.Microorganisms · 2024Article
- Microbiome of Invasive Tick SpeciesInsects · 2024Article
- Tick-Borne Disease Infections and Chronic Musculoskeletal Pain.JAMA network open · 2024Article
- PREVALENCE OF EHRLICHIA AND ANAPLASMA SPP. IN TICKS COLLECTED FROM CATTLE AND DEER IN ARKANSAS, USA.The Journal of parasitology · 2023Article
- Touching Base with Some Mediterranean Diseases of Interest from Paradigmatic Cases at the "Magna Graecia" University Unit of Infectious Diseases: A Didascalic Review.Diagnostics (Basel, Switzerland) · 2023Review
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Human ehrlichiosis is a potentially fatal disease caused by Ehrlichia chaffeensis and Ehrlichia ewingii. Cases of ehrlichiosis are reported to Centers for Disease Control and Prevention through two national surveillance systems: Nationally Notifiable Diseases Surveillance System (NNDSS) and Case Report Forms. During 2008-2012, 4,613 cases of E. chaffeensis infections were reported through NNDSS. The incidence rate (IR) was 3.2 cases per million person-years (PYs). The hospitalization rate (HR) was 57% and the case fatality rate (CFR) was 1%. Children aged < 5 years had the highest CFR of 4%. During 2008-2012, 55 cases of E. ewingii infection were reported through NNDSS. The national IR was 0.04 cases per million PY. The HR was 77%; no deaths were reported. Immunosuppressive conditions were reported by 26% of cases. The overall rate for ehrlichiosis has increased 4-fold since 2000. Although previous literature suggests E. ewingii primarily affects those who are immunocompromised, this report shows most cases occurred among immunocompetent patients. This is the first report to show children aged < 5 years with ehrlichiosis have an increased CFR, relative to older patients. Ongoing surveillance and reporting of tick-borne diseases are critical to inform public health practice and guide disease treatment and prevention efforts.
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