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Farmed fur animals harbour viruses with zoonotic spillover potential
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Journal Article
Farmed fur animals harbour viruses with zoonotic spillover potential
2024
Overview
Animals such as raccoon dogs, mink and muskrats are farmed for fur and are sometimes used as food or medicinal products
1
,
2
, yet they are also potential reservoirs of emerging pathogens
3
. Here we performed single-sample metatranscriptomic sequencing of internal tissues from 461 individual fur animals that were found dead due to disease. We characterized 125 virus species, including 36 that were novel and 39 at potentially high risk of cross-species transmission, including zoonotic spillover. Notably, we identified seven species of coronaviruses, expanding their known host range, and documented the cross-species transmission of a novel canine respiratory coronavirus to raccoon dogs and of bat HKU5-like coronaviruses to mink, present at a high abundance in lung tissues. Three subtypes of influenza A virus—H1N2, H5N6 and H6N2—were detected in the lungs of guinea pig, mink and muskrat, respectively. Multiple known zoonotic viruses, such as Japanese encephalitis virus and mammalian orthoreovirus
4
,
5
, were detected in guinea pigs. Raccoon dogs and mink carried the highest number of potentially high-risk viruses, while viruses from the
Coronaviridae
,
Paramyxoviridae
and
Sedoreoviridae
families commonly infected multiple hosts. These data also reveal potential virus transmission between farmed animals and wild animals, and from humans to farmed animals, indicating that fur farming represents an important transmission hub for viral zoonoses.
Fur farming represents an important hub of cross-species transmission for viral zoonoses.
Publisher
Nature Publishing Group UK,Nature Publishing Group
Subject
/ Animals
/ Animals, Domestic - virology
/ Coronavirus - classification
/ Coronavirus - isolation & purification
/ COVID-19
/ Disease Reservoirs - veterinary
/ Disease Reservoirs - virology
/ Dogs
/ Encephalitis Virus, Japanese - genetics
/ Encephalitis Virus, Japanese - isolation & purification
/ Foxes
/ Humanities and Social Sciences
/ Humans
/ Influenza A virus - classification
/ Influenza A virus - genetics
/ Influenza A virus - isolation & purification
/ Lungs
/ Orthoreovirus - isolation & purification
/ Science
/ Viral Zoonoses - transmission
/ Viruses
/ Zoonoses
