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Updated: Jul 12, 2025

Author Spotlight: Coproparasitoscopic Examination of Dog Stools for Control and Prevention of Zoonotic Parasite Diseases

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Published on: December 15, 2023

Angiostrongyliasis: A Changing Scenario?

Fabrizio Bruschi¹

¹Department of Translational Research, New Technologies in Medicine and Surgery, Università di Pisa, 56126 Pisa, Italy.

Pathogens (Basel, Switzerland)

|October 27, 2023

Summary

Angiostrongyliasis is a parasitic disease caused by Angiostrongylus worms. This condition affects humans and is primarily transmitted through infected snails and slugs.

Area of Science:

Parasitology
Infectious Diseases
Zoonotic Diseases

Background:

Angiostrongyliasis is a parasitic zoonotic disease caused by the larvae of the genus Angiostrongylus.
The primary species implicated in human infections are Angiostrongylus cantonensis and Angiostrongylus costaricensis.
These nematodes typically infect rodents as definitive hosts, with mollusks serving as intermediate hosts.

Discussion:

Human infections occur through accidental ingestion of infected intermediate hosts (e.g., snails, slugs) or paratenic hosts (e.g., frogs, crabs).
Angiostrongylus cantonensis commonly causes eosinophilic meningitis, a neurological disorder.
Angiostrongylus costaricensis is associated with abdominal angiostrongyliasis, mimicking appendicitis.

Key Insights:

Diagnosis relies on clinical presentation, epidemiological data, and laboratory confirmation, including serological tests and molecular detection.

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Geographic distribution of Angiostrongyliasis is expanding due to climate change and globalization.

Prompt diagnosis and management are crucial to prevent severe neurological or gastrointestinal complications.

Outlook:

Further research is needed to understand the full spectrum of Angiostrongylus infections and their impact.
Development of novel diagnostic tools and effective treatments is essential.
Public health initiatives focusing on prevention, including food safety and public awareness, are critical to control the spread of Angiostrongyliasis.