First report of Trichinella pseudospiralis in a wolf (Canis lupus italicus).

Int J Parasitol Parasites Wildl

Department of Infectious Diseases, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy.

Published: August 2021

AI Article Synopsis

  • A non-encapsulated species within its genus has been identified as the first to infect mammals and birds, with the first detection in a wolf from Central Italy in October 2020.
  • This species was previously found in various animals in Italy, including a red fox, three bird species, and five wild boars, and is linked to a human outbreak of trichinellosis in 2015.
  • The rarity of this nematode in carnivorous mammals compared to its encapsulated counterparts raises questions about the role of these carnivores as potential reservoirs for the parasite.

Article Abstract

Within the genus is the only recognized non-encapsulated species known to infect mammals and birds. In October 2020, larvae recovered from muscle tissues of a wolf () originating from Molise Region, Central Italy, were molecularly confirmed as those of and . This is the first detection of from a wolf. In Italy, this zoonotic nematode was detected in a red fox (), three birds (, , ) and five wild boars (), and was also identified as the etiological agent of a human outbreak of trichinellosis in 2015. Since is rarely reported from carnivore mammals in comparison to the encapsulated species frequently detected in these hosts, this finding opens the question of the role of carnivores as reservoirs for this parasite.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8182262PMC
http://dx.doi.org/10.1016/j.ijppaw.2021.05.002DOI Listing

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