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Ectoparasites from feral pigeons affecting humans
Daniel Haag-Wackernagel1, Andreas J Bircher
1Department of Biomedicine, Institute of Anatomy, University of Basel, Basel, Switzerland. daniel.haag @ unibas.ch
Dermatology (Basel, Switzerland)
|December 18, 2009
Summary
Feral pigeons can transmit multiple ectoparasites to humans. This case details a single patient simultaneously infested by bed bugs, pigeon ticks, and red mites from pigeon roosts.
Area of Science:
- Medical Entomology
- Public Health
- Dermatology
Background:
- Feral pigeons are recognized vectors for diseases and allergens, posing health risks.
- Pigeon habitats can harbor ectoparasites capable of infesting humans.
Observation:
- A young female experienced a simultaneous infestation with Cimex lectularius (bed bug), Argas reflexus (pigeon tick), and Dermanyssus gallinae (red mite).
- Parasites originated from a nearby pigeon roost on a balcony, leading to continuous infestation for over two months.
- The patient exhibited general symptoms attributed to numerous ectoparasite stings.
Findings:
- This is the first reported case of a single patient concurrently infested by multiple ectoparasite species originating from feral pigeons.
- The study documents the specific ectoparasite species involved and their transmission route.
Implications:
- Dermatologists must consider ectoparasite infestations from feral pigeons as a differential diagnosis.
- Understanding the transmission of pigeon-associated ectoparasites is crucial for public health and clinical dermatology.
- This case highlights the potential for zoonotic transmission of common ectoparasites from urban wildlife.
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