Cited by 11Zoonotic diseases and public healthAnimal Virus Infections StudiesViral Infections and Outbreaks Research

No Exchange of Picornaviruses in Vietnam between Humans and Animals in a High-Risk Cohort with Close Contact despite High Prevalence and Diversity

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Lu, Lu, Ashworth, Jordan, Nguyen, Dung, Li, Kejin, Smith, Donald B., Woolhouse, Mark, on behalf of the VIZIONS Consortium·2021·Viruses

Abstract

Hospital-based and community-based ‘high-risk cohort’ studies investigating humans at risk of zoonotic infection due to occupational or residential exposure to animals were conducted in Vietnam, with diverse viruses identified from faecal samples collected from humans, domestic and wild animals. In this study, we focus on the positive-sense RNA virus family Picornaviridae, investigating the prevalence, diversity, and potential for cross-species transmission. Through metagenomic sequencing, we found picornavirus contigs in 23% of samples, belonging to 15 picornavirus genera. Prevalence was highest in bats (67%) while diversity was highest in rats (nine genera). In addition, 22% of the contigs were derived from novel viruses: Twelve phylogenetically distinct clusters were observed in rats of which seven belong to novel species or types in the genera Hunnivirus, Parechovirus, Cardiovirus, Mosavirus and Mupivirus; four distinct clusters were found in bats, belonging to one novel parechovirus species and one related to an unclassified picornavirus. There was no evidence for zoonotic transmission in our data. Our study provides an improved knowledge of the diversity and prevalence of picornaviruses, including a variety of novel picornaviruses in rats and bats. We highlight the importance of monitoring the human–animal interface for possible spill-over events.

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Authors
Lu, L., Ashworth, J., Nguyen, D., Li, K., Smith, D. B., Woolhouse, M., & on behalf of the VIZIONS Consortium
Affiliations
  • University of Edinburgh (GB)
  • University of Oxford (GB)
Corresponding author
Lu, Lu
Venue
Viruses
Publisher
MDPI AG
Published
2021-08-27
Volume
13
Issue
9
Pages
1709
ISSN
1999-4915 (ISSN-L)
OpenAlex
W3198689075
Cited by
11
References
47
Citations by year
2026: 2 · 2025: 4 · 2024: 3 · 2023: 1 · 2022: 1
FWCI
1.08
Type
journal article
Language
en
Open access
Locations
  • Viruses (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
the Wellcome Trust (ref. WT/093724)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Zoonotic diseases and public health
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Virus Infections Studies
  • Health Sciences › Medicine › Infectious Diseases › Viral Infections and Outbreaks Research
Keywords
picornavirus, zoonotic transmission, human-animal interface, bats, rats, parechovirus, cardiovirus, viral diversity, viral prevalence, close contacts, fecal samples
MeSH terms
Animals, Chiroptera, Feces, Humans, Phylogeny, Picornaviridae, Picornaviridae Infections, RNA, Viral, Genetic Variation, Vietnam, Cohort Studies, Prevalence, Genome, Viral, Rats, Metagenomics

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