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Potential intermediate hosts of Angiostrongylus cantonensis in the European Mediterranean region (Mallorca, Spain)
Jaume-Ramis, S.; Martínez-Ortí, A.; Delgado-Serra, S.; Bargues, M.D.; Mas-Coma, S.; Foronda, P.; Paredes-Esquivel, C. (2023). Potential intermediate hosts of Angiostrongylus cantonensis in the European Mediterranean region (Mallorca, Spain). One Health 17: 100610. https://dx.doi.org/10.1016/j.onehlt.2023.100610
In: One Health. Elsevier B.V.: Amsterdam. e-ISSN 2352-7714
|   |
| Trefwoorden |
Angiostrongylus cantonensis
Terrestrisch |
| Author keywords |
Rat lungworm; Intermediate hosts; Snails; Slugs; Angiostrongylus cantonensis; Europe; Vectors |
| Auteurs | | Top |
- Jaume-Ramis, S.
- Martínez-Ortí, A.
- Delgado-Serra, S.
- Bargues, M.D.
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- Mas-Coma, S.
- Foronda, P.
- Paredes-Esquivel, C.
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| Abstract |
Angiostrongylus cantonensis is the main etiological agent of eosinophilic meningitis, a disease that often leads to severe neurological manifestations in mammals and birds. In recent years, the prevalence of this zoonotic nematode has dramatically increased as it expands into new territories beyond its native range in Southeast Asia and the Pacific Basin.Its arrival to Europe, the last continent to be invaded, has raised many questions concerning the parasite's life cycle, particularly in the Mediterranean region, where it is now endemic. This study aims to collect evidence about intermediate hosts (snail and slug species) involved in the transmission of the A. cantonensis in Mallorca. We have conducted a systematic surveillance of gastropods within 2 km radius areas, surrounding the specific locations where infected hedgehogs were found. We employed a sequence-based detection approach that included a species-specific PCR amplification followed by DNA sequencing of the internal transcribed spacer I (ITS-1). This conservative approach was essential to avoid cross reactions with the numerous metastrongylid species known to be circulating in Mallorca. Overall, we collected and identified 398 gastropods belonging to 17 species, of which 11% tested positive for A. cantonensis. These gastropods were collected from touristic settlements to agricultural lands. Five gastropod species: Theba pisana, Cornu aspersum, Deroceras reticulatum, Milax gagates and Otala lactea, had been previously incriminated as A. cantonensis intermediate hosts, while 6 species: Papillifera papillaris, Cochlicella acuta, Eobania vermiculata, Ganula lanuginosa, Milax nigricans and Rumina decollata, are newly recorded hosts. The findings of this study have important epidemiological implications, and further measures are discussed to prevent neuroangiostrongylosis cases. |
IMIS is ontwikkeld en wordt gehost door het VLIZ.
