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Ophthalmomyiasis Outbreak Caused by Oestrus ovis Infection, Algeria, 2025
Emerging Infectious Diseases
|June 28, 2026
Summary
Ophthalmomyiasis, an eye infestation by fly larvae, affected 17 patients in Algeria after sheep exposure. Prompt removal of Oestrus ovis larvae and topical treatment led to full recovery, demonstrating effective early intervention.
Area of Science:
- Ophthalmology
- Parasitology
- Public Health
Background:
- Ophthalmomyiasis is a rare ocular infestation caused by dipteran larvae.
- It is more prevalent in rural settings, often associated with animal contact.
Purpose of the Study:
- To report an outbreak of ophthalmomyiasis in Algeria.
- To describe the clinical presentation, management, and outcomes of affected patients.
Main Methods:
- Retrospective case series of 17 patients diagnosed with ophthalmomyiasis.
- Clinical data collection including exposure history, symptoms, and treatment.
Main Results:
- An outbreak of 17 cases occurred in Algeria, linked to exposure to sheep.
- All patients were successfully treated with surgical removal of Oestrus ovis larvae and topical medications.
- Complete recovery was achieved in all cases.
Conclusions:
- Early detection and prompt treatment, including larval removal and topical therapy, are crucial for managing ophthalmomyiasis.
- This outbreak underscores the importance of recognizing risk factors, such as animal exposure, for ophthalmomyiasis.
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