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Updated: Apr 20, 2026

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In Vivo Confocal Microscopy: A Standard Operating Procedure for the Detection of Demodex Mites at the Eyelid Margin
Published on: July 3, 2025
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Bartonella quintana detection in Demodex from erythematotelangiectatic rosacea patients
Nathalia Murillo1, Oleg Mediannikov1, Jérome Aubert2
1Unité des Rickettsies CNRS UMR 6020, IFR 48, Faculté de Médecine de Marseille, Université de la Méditerranée, 27 Bd Jean Moulin, 13385 Marseille cedex 5, France.
Abstract:
We report here the presence of Bartonella quintana in a demodex. Demodex are arthropods associated with acnea. Bartonella quintana was found by broad Spectrum 16rDNA PCR amplification and sequencing, and confirmed by specific PCR. Bartonella quintana may parasite several arthropods and not only lice.

