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Advances in molecular epidemiology of cryptosporidiosis in dogs and cats.

Authors
  • Li, Jiayu1
  • Ryan, Una2
  • Guo, Yaqiong1
  • Feng, Yaoyu3
  • Xiao, Lihua4
  • 1 Center for Emerging and Zoonotic Diseases, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China. , (China)
  • 2 Harry Butler Institute, Vector- and Water-Borne Pathogen Research Group, Murdoch University, Murdoch, Western Australia 6150, Australia. , (Australia)
  • 3 Center for Emerging and Zoonotic Diseases, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China. Electronic address: [email protected] , (China)
  • 4 Center for Emerging and Zoonotic Diseases, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China. Electronic address: [email protected] , (China)
Type
Published Article
Journal
International journal for parasitology
Publication Date
Sep 01, 2021
Volume
51
Issue
10
Pages
787–795
Identifiers
DOI: 10.1016/j.ijpara.2021.03.002
PMID: 33848499
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

The use of molecular tools has led to the identification of several zoonotic Cryptosporidium spp. in dogs and cats. Among them, Cryptosporidium canis and Cryptosporidium felis are dominant species causing canine and feline cryptosporidiosis, respectively. Some Cryptosporidium parvum infections have also been identified in both groups of animals. The identification of C. canis, C. felis and C. parvum in both pets and owners suggests the possible occurrence of zoonotic transmission of Cryptosporidium spp. between humans and pets. However, few cases of such concurrent infections have been reported. Thus, the cross-species transmission of Cryptosporidium spp. between dogs or cats and humans has long been a controversial issue. Recently developed subtyping tools for C. canis and C. felis should be very useful in identification of zoonotic transmission of both Cryptosporidium spp. Data generated using these tools have confirmed the occurrence of zoonotic transmission of these two Cryptosporidium spp. between owners and their pets, but have also shown the potential presence of host-adapted subtypes. Extensive usage of these subtyping tools in epidemiological studies of human cryptosporidiosis is needed for improved understanding of the importance of zoonotic transmission of Cryptosporidium spp. from pets. Copyright © 2021 Australian Society for Parasitology. Published by Elsevier Ltd. All rights reserved.

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