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Research Article

Warmer Weather Linked to Tick Attack and Emergence of Severe Rickettsioses

  • Philippe Parola,

    Affiliation: Unité de Recherche en Maladies Infectieuses et Tropicales Emergentes, CNRS-IRD UMR 6236, WHO Collaborative Centre for Rickettsial and Other Arthropod Borne Bacterial Diseases, Faculté de Médecine, Marseille, France

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  • Cristina Socolovschi,

    Affiliation: Unité de Recherche en Maladies Infectieuses et Tropicales Emergentes, CNRS-IRD UMR 6236, WHO Collaborative Centre for Rickettsial and Other Arthropod Borne Bacterial Diseases, Faculté de Médecine, Marseille, France

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  • Luc Jeanjean,

    Affiliation: Consultation de Neuro-Ophtalmologie, CHU Nîmes, France

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  • Idir Bitam,

    Affiliation: Unité de Recherche en Maladies Infectieuses et Tropicales Emergentes, CNRS-IRD UMR 6236, WHO Collaborative Centre for Rickettsial and Other Arthropod Borne Bacterial Diseases, Faculté de Médecine, Marseille, France

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  • Pierre-Edouard Fournier,

    Affiliation: Unité de Recherche en Maladies Infectieuses et Tropicales Emergentes, CNRS-IRD UMR 6236, WHO Collaborative Centre for Rickettsial and Other Arthropod Borne Bacterial Diseases, Faculté de Médecine, Marseille, France

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  • Albert Sotto,

    Affiliation: Service des Maladies Infectieuses, CHU Nîmes, France

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  • Pierre Labauge,

    Affiliation: Consultation de Neuro-Ophtalmologie, CHU Nîmes, France

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  • Didier Raoult mail

    didier.raoult@gmail.com

    Affiliation: Unité de Recherche en Maladies Infectieuses et Tropicales Emergentes, CNRS-IRD UMR 6236, WHO Collaborative Centre for Rickettsial and Other Arthropod Borne Bacterial Diseases, Faculté de Médecine, Marseille, France

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  • Published: November 18, 2008
  • DOI: 10.1371/journal.pntd.0000338

Reader Comments (1)

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Concerns about the effect of temperature

Posted by Agustín on 26 Nov 2008 at 07:18 GMT

I have a comment about this interesting paper. By keeping the ticks at such a high temperature overnight, the general effect is to produce a great excitation and questing behaviour. Every tick species will attach at higher rates if kept at higher temperatures. This is basic tick biology. While more ticks would attach if kept at high temperatures, it should be of interest to check if ticks prefer humans. In the experience here, there is not a "control host" (like dogs or laboratory mice) against to which test that the brown dog tick prefers humans at high temperatures.