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Baylisascaris procyonis is a zoonotic nematode whose main definitive host is the raccoon, an invasive carnivore in Europe introduced from the United States. B. procyonis causes larva migrans with poor prognosis in humans. This parasite was unexpectedly detected in France for the first time upon molecular screening of wolf faecal samples. Because no patent infection was found, the wolf cannot be considered as a definitive host. This discovery of B. procyonis in France nonetheless raises questions about the parasite status of the expanding raccoon populations in the country, which will be investigated in the future.
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http://dx.doi.org/10.1016/j.parint.2020.102155 | DOI Listing |
MMWR Morb Mortal Wkly Rep
July 2025
Baylisascaris procyonis (raccoon roundworm), a parasite commonly found in raccoons (Procyon lotor), can cause severe disease in humans when it invades visceral organs or the ocular and central nervous systems. Without prompt treatment, B. procyonis infection can lead to serious complications and death.
View Article and Find Full Text PDFParasit Vectors
July 2025
Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, Hunan, People's Republic of China.
Background: Baylisascaris procyonis is an intestinal ascarid worm that parasitizes in raccoons and causes fatal neural, visceral, and ocular larva migrans in humans. Phosphorylated proteins and protein kinases have been studied as vaccine and drug target candidates against parasitic infections. However, no data are available on protein phosphorylation in the raccoon roundworm.
View Article and Find Full Text PDFCan Vet J
July 2025
Department of Pathobiology and Centre for Public Health and Zoonoses, Ontario Veterinary College, University of Guelph, 50 Stone Road East, Guelph, Ontario N1G 2W1 (Weese); Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, 550 University Avenue, Charlo
Background: The raccoon roundworm, , is a gastrointestinal parasite with zoonotic implications.
Objective: To identify and describe available evidence pertaining to clinical infections in humans.
Procedure: A scoping review of the MEDLINE ( OVID), Web of Science, and CAB Abstracts databases.
One Health
June 2025
Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA.
Dogs can serve as alternative definitive hosts for , the raccoon roundworm, but prevalence and geographic distribution of canine infections is poorly studied. In a previous study in the United States (US) from 2013 to 2016, 0.005 % of ∼9.
View Article and Find Full Text PDFTrop Med Infect Dis
June 2025
Caesar Kleberg Wildlife Research Institute, Texas A&M University-Kingsville, MSC 218, 1150 Engineering Avenue, Kingsville, TX 78363, USA.
is a debilitating and potentially lethal zoonotic disease caused by a nematode parasite that has a worldwide distribution. spp. are carried by a variety of mammalian definitive hosts, and their larvae can infect a large diversity of paratenic hosts including birds and mammals, and even humans.
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