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Disclaimer: Early release articles are not considered as final versions. Any changes will be reflected in the online version in the month the article is officially released.

Volume 32, Number 7—July 2026

Research Letter

Ophthalmomyiasis Outbreak Caused by Oestrus ovis Infection, Algeria, 2025

Yuyang Zeng1, Hongkuan Yang1, Xin Li, Hongzheng Yang, and Yunyun ZhouComments to Author 
Author affiliation: Byers Eye Institute at Stanford University School of Medicine, Palo Alto, California, USA (Y. Zeng); Renmin Hospital of Wuhan University, Wuhan, China (Y. Zeng, Y. Zhou); Huazhong University of Science and Technology, Wuhan (Hongkuan Yang, X. Li); Renhe Hospital Affiliated with People’s Republic of China Three Gorges University, Yichang, China (Hongzheng Yang).

Main Article

Video

Representative video showing Oestrus ovis larvae in patient with acute external ophthalmomyiasis caused by Oestrus ovis infection after sheep exposure during Eid al-Adha, Algeria, 2025. Larvae exhibit rapid, active motility and wriggling along the surface of the inferior conjunctival fornix and on the corneal surface. The smooth corneal epithelium appeared to reduce their locomotor velocity.

Video. Representative video showing Oestrus ovis larvae in patient with acute external ophthalmomyiasis caused by Oestrus ovis infection after sheep exposure during Eid al-Adha, Algeria, 2025. Larvae exhibit rapid, active motility and wriggling along the surface of the inferior conjunctival fornix and on the corneal surface. The smooth corneal epithelium appeared to reduce their locomotor velocity.

Main Article

1These first authors contributed equally to this article.

Page created: May 28, 2026
Page updated: June 24, 2026
Page reviewed: June 24, 2026
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