# Oestrus ovis Nasal Myiasis with Pupation in Human Host, Greece, October 2025

## TL;DR

A rare case of nasal myiasis caused by Oestrus ovis was reported in Greece, where the larvae developed into pupae inside a human host.

## Contribution

This is the first documented case of Oestrus ovis nasal myiasis in a human with pupation occurring within the host.

## Key findings

- Ten larvae and one puparium were found in the patient’s maxillary sinus.
- Diagnosis was confirmed using morphological analysis and DNA sequencing.

## Abstract

We report a case of human Oestrus ovis nasal myiasis in Greece, in which pupation occurred within the human host. Ten larvae in various stages of development and 1 puparium were expelled or extracted from the patient’s maxillary sinus. Diagnosis was confirmed through morphologic identification and by PCR, followed by DNA sequencing.