SARS-CoV-2 bioaerosol transmission in experimentally infected American mink

The SARS-CoV-2 BA.1 (Omicron) variant, which emerged in late 2021, is more transmissible than earlier variants but causes milder symptoms in humans. Mink farms, where animals are housed in close quarters, present a high risk for virus transmission and mutation, necessitating strict control measures...

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Vydáno v:Scientific reports Ročník 15; číslo 1; s. 22270 - 8
Hlavní autoři: Malmgren, Rasmus, Venkat, Vinaya, Virtanen, Jenni, Kegler, Kristel, Niamsap, Thanakorn, Kareinen, Lauri, Kivelä, Olga, Atanasova, Nina, Österlund, Pamela, Smura, Teemu, Sukura, Antti, Dutra, Lara, Vapalahti, Olli, Nordgren, Heli, Kant, Ravi, Sironen, Tarja, Aaltonen, Kirsi
Médium: Journal Article
Jazyk:angličtina
Vydáno: London Nature Publishing Group UK 01.07.2025
Nature Portfolio
Témata:
631/326/596/2563
631/326/596/4130
Aerosols
Air Microbiology
Animals
COVID-19 - transmission
COVID-19 - veterinary
COVID-19 - virology
Feces - virology
Female
Humanities and Social Sciences
Humans
Male
Mink - virology
multidisciplinary
Saliva - virology
SARS-CoV-2 - isolation & purification
Science
Science (multidisciplinary)
ISSN:2045-2322, 2045-2322
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Shrnutí:The SARS-CoV-2 BA.1 (Omicron) variant, which emerged in late 2021, is more transmissible than earlier variants but causes milder symptoms in humans. Mink farms, where animals are housed in close quarters, present a high risk for virus transmission and mutation, necessitating strict control measures due to documented cases of mink-to-human and human-to-mink transmission. Hence, we aimed to detect infectious airborne SARS-CoV-2 using BioSampler-air collectors and to investigate aerosol transmission between groups of American mink ( Neovison vison ). Two groups (male and female) were infected with the BA.1 variant, and samples were collected from aerosols, saliva, feces, and surfaces. The results indicated that infectious viruses were predominantly detected in aerosol samples over a three-day period in both groups. Surface, saliva, and fecal samples also showed potential for virus transmission. Notably, infectious viruses were cultivated from aerosol samples, confirming aerosol transmission among American mink. This study highlights the importance of immediate sample culturing to improve infectious virus detection and emphasizes the need for enhanced preventive measures on mink farms to mitigate the spread of viruses.
Bibliografie:ObjectType-Article-1
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ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-025-08111-1