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Volume 32, Number 2—February 2026

Dispatch

Autochthonous Rat Lungworm Angiostrongylus cantonensis Infections in Accidental and Definitive Hosts, San Diego, California, USA

Shotaro NakagunComments to Author , Carlo G. Gonzalez Vera, Alexis Wohl, Deana L. Clifford, Garrett A. Fraess, Jordyn R. Nylander, Estefanía Montero, Javier Asin, Steven V. Kubiski, and Rachel E. Burns
Author affiliation: Author affiliations: San Diego Zoo Wildlife Alliance, San Diego, California, USA (S. Nakagun, C.G. Gonzalez Vera, G.A. Fraess, J.R. Nylander, S.V. Kubiski, R.E. Burns); San Diego Humane Society’s Project Wildlife, San Diego (A. Wohl); California Department of Fish and Wildlife, Rancho Cordova, California, USA (D.L. Clifford); Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain (E. Montero); California Animal Health and Food Safety Laboratory, University of California, Davis, San Bernardino, California, USA (J. Asin)

Main Article

Figure 1

Brain and cervical spinal cord tissue from a parma wallaby (Notamacropus parma) with autochthonous rat lungworm Angiostrongylus cantonensis infection, San Diego, California, USA, 2024. The dorsal and caudal aspects of the cerebellum have coalescing foci of hemorrhage with nematodes (arrows) on the leptomeningeal surface. The inset depicts an enlarged view of the dorsal aspect of brainstem and C1 spinal cord with visible nematodes (arrows).

Figure 1. Brain and cervical spinal cord tissue from a parma wallaby (Notamacropus parma) with autochthonous rat lungworm Angiostrongylus cantonensis infection, San Diego, California, USA, 2024. The dorsal and caudal aspects of the cerebellum have coalescing foci of hemorrhage with nematodes (arrows) on the leptomeningeal surface. The inset depicts an enlarged view of the dorsal aspect of brainstem and C1 spinal cord with visible nematodes (arrows).

Main Article

Page created: January 29, 2026
Page updated: February 19, 2026
Page reviewed: February 19, 2026
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