First report of a naturally patent infection of Angiostrongylus costaricensis in a dog
2015
Alfaro-Alarcón, Alejandro | Veneziano, Vincenzo | Galiero, Giorgio | Cerrone, Anna | Gutiérrez, Natalia | Chinchilla, Adriana | Annoscia, Giada | Colella, Vito | Dantas-Torres, Filipe | Otranto, Domenico | Santoro, Mario
Angiostrongylus costaricensis is the zoonotic agent of abdominal angiostrongyliasis in several countries in North and South America. Rodents are recognized as the main definitive hosts of A. costaricensis, but other wildlife species can develop patent infections. Although, several human cases have been described in the literature, the role of domestic animals in the epidemiology of the infection is not clear. Here we review the literature available on A. costaricensis in mammals and describe the first confirmed fatal case of abdominal angiostrongyliasis in a 4-month-old dog, presented with intestinal perforation, peritonitis and faecal shedding of first-stage larvae. Parasite identity was confirmed by morphology, histology and molecular characterization of target genes. This is the first record of a naturally infected dog acting as a definitive host for A. costaricensis. These data suggest that dogs may potentially spread this parasite in urbanized areas.
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