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Related Concept Videos

Rocky Mountain Spotted Fever01:26

Rocky Mountain Spotted Fever

Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.

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Related Experiment Video

Updated: Jul 9, 2026

Loop-mediated Isothermal Amplification (LAMP) Assays for the Species-specific Detection of Eimeria that Infect Chickens
06:57

Loop-mediated Isothermal Amplification (LAMP) Assays for the Species-specific Detection of Eimeria that Infect Chickens

Published on: February 20, 2015

[Human granulocytic ehrlichiosis in Europe].

C Amiel1, G Abadia, D Choudat

  • 1Hôpital Beaujon, 100, boulevard du Général-Leclerc, 92110, Clichy, France. carline.taieb@wanadoo.fr

Medecine Et Maladies Infectieuses
|December 25, 2004
PubMed
Summary

Human granulocytic ehrlichiosis, a tick-borne illness, presents with flu-like symptoms post-bite. Early diagnosis and tetracycline treatment lead to recovery, but prevention is key.

Area of Science:

  • Infectious Diseases
  • Epidemiology
  • Tick-borne Pathogens

Context:

  • Human granulocytic ehrlichiosis (HGE) is an emerging infectious disease in Europe.
  • Transmitted by the Ixodes ricinus tick, active from April to October in forest environments.
  • Co-exists with other tick-borne diseases like Lyme disease and tick-borne encephalitis.

Purpose:

  • To summarize the key aspects of Human Granulocytic Ehrlichiosis.
  • To highlight diagnostic criteria and treatment options.
  • To emphasize prevention strategies for physicians and at-risk populations.

Summary:

  • HGE presents with flu-like symptoms approximately ten days after an Ixodes ricinus tick bite.
  • Common laboratory findings include leukopenia, thrombocytopenia, and elevated transaminases.

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Last Updated: Jul 9, 2026

Loop-mediated Isothermal Amplification (LAMP) Assays for the Species-specific Detection of Eimeria that Infect Chickens
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  • Diagnosis is supported by blood smear, indirect immunofluorescence, and PCR; tetracycline is the standard treatment.

    • Impact:

    • Improved understanding of HGE diagnosis and management.
    • Reinforces the importance of tick bite prevention measures.
    • Highlights the need for physician and public awareness regarding this emerging infectious disease.