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Updated: Jan 25, 2026
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Author Spotlight: Controlled Human Exposure Model for Tick Research and Lyme Disease Studies
Published on: December 1, 2023
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Tick-borne rickettsial diseases: emerging risks in Europe
1Unité des Rickettsies, CNRS UMR 6020, IFR 48, Université de la Méditerranée, Faculté de Médecine, 27 Bd. Jean Moulin, 13385 Marseille Cedex 5, France. philippe.parola@medecine.univ-mrs.fr
Summary
Ticks transmit Lyme borreliosis and emerging rickettsial diseases in Europe. Recent findings highlight new spotted fever rickettsiae and human anaplasmosis, posing future infectious disease threats.
Area of Science:
- Veterinary Medicine
- Infectious Diseases
- Public Health
Background:
- Ticks are primary vectors for human infectious diseases in Europe.
- Lyme borreliosis transmission by ticks was established in the 1980s.
- Emerging tick-borne rickettsial diseases are a growing concern.
Purpose of the Study:
- To present emerging tick-borne diseases in Europe.
- To discuss the role of ticks in transmitting pathogens.
- To identify potential future infectious disease threats.
Main Methods:
- Review of recent scientific literature on tick-borne diseases.
- Analysis of reported cases of rickettsial diseases and anaplasmosis.
- Epidemiological assessment of emerging pathogens.
Main Results:
- Five new spotted fever rickettsiae have emerged as pathogens in Europe.
- Anaplasma phagocytophilum, causing human anaplasmosis, is increasingly reported.
- Mediterranean spotted fever (MSF) is no longer the only prevalent tick-borne rickettsial disease.
Conclusions:
- Ticks pose a significant and evolving threat for human infectious diseases in Europe.
- Continued surveillance and research are crucial for managing emerging tick-borne pathogens.
- Public health strategies must adapt to the changing landscape of tick-borne illnesses.
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