A natural zoonotic giardiasis: Infection of a child via Giardia cysts in pet chinchilla droppings |
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| Authors: | P Tůmová L Mazánek L Lecová J Dluhošová H Typovská V Kotrašová V Ticháčková E Nohýnková |
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| Institution: | 1. Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University, Prague, Czech Republic;2. Department of Epidemiology, Public Health Authority of Olomouc Region, Olomouc, Czech Republic;3. AGEL Laboratories, Clinical Microbiology Laboratory, ?ternberk, Czech Republic;4. Private Veterinarian, Troubelice, Czech Republic;5. Private Healthcare, ?ternberk, Czech Republic |
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| Abstract: | Here, we report a case of direct zoonotic transmission of giardiasis between a pet chinchilla and a human. Microscopic and molecular examinations of stool samples from a child and samples of chinchilla droppings revealed cysts/DNA of Giardia intestinalis. The transmission from the chinchilla to the child has been confirmed as coprophagous after the 1-year-old toddler ingested pet chinchilla droppings. Molecular analysis of the gdh gene from both hosts classified the G. intestinalis cysts into the assemblage B genetic group, which has been previously shown to be characteristic of both human and chinchilla giardiasis. Both Giardia sub-assemblages BIII and BIV were present in the chinchilla droppings, whereas only the sub-assemblage BIV was isolated from the child's stool sample. To the best of our knowledge, this is the first report of a true zoonotic transmission of giardiasis, supporting the zoonotic potential of assemblage B. |
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| Keywords: | Chinchilla Assemblage B Zoonotic giardiasis |
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