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Sökning: onr:"swepub:oai:lup.lub.lu.se:7f5ef279-b55a-461d-92ba-bac8abe0c280" > Sources of Airborne...

Sources of Airborne Norovirus in Hospital Outbreaks

Alsved, Malin (författare)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
Fraenkel, Carl-Johan (författare)
Lund University,Lunds universitet,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine,Region Skåne,Skåne University Hospital
Bohgard, Mats (författare)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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Widell, Anders (författare)
Lund University,Lunds universitet,Klinisk mikrobiologi, Malmö,Forskargrupper vid Lunds universitet,Clinical Microbiology, Malmö,Lund University Research Groups
Söderlund-Strand, Anna (författare)
Lund University,Lunds universitet,Avdelningen för medicinsk mikrobiologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Medical Microbiology,Department of Laboratory Medicine,Faculty of Medicine,Regional Laboratories Region Skåne
Lanbeck, Peter (författare)
Skåne University Hospital
Holmdahl, Torsten (författare)
Skåne University Hospital
Isaxon, Christina (författare)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
Gudmundsson, Anders (författare)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
Medstrand, Patrik (författare)
Lund University,Lunds universitet,Klinisk virologi, Malmö,Forskargrupper vid Lunds universitet,Clinical Virology, Malmö,Lund University Research Groups
Böttiger, Blenda (författare)
Lund University,Lunds universitet,Avdelningen för medicinsk mikrobiologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Medical Microbiology,Department of Laboratory Medicine,Faculty of Medicine,Regional Laboratories Region Skåne
Löndahl, Jakob (författare)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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 (creator_code:org_t)
2019-07-29
2020
Engelska 6 s.
Ingår i: Clinical Infectious Diseases. - : Oxford University Press (OUP). - 1537-6591 .- 1058-4838. ; 70:10, s. 2023-2028
Relaterad länk:
http://dx.doi.org/10... (free)
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https://academic.oup...
https://lup.lub.lu.s...
https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • BACKGROUND: Noroviruses are the major cause of viral gastroenteritis. Disease transmission is difficult to prevent and outbreaks in healthcare facilities commonly occur. Contact with infected persons and contaminated environments are believed to be the main routes of transmission. However, noroviruses have recently been found in aerosols and airborne transmission has been suggested. The aim of our study was to investigate associations between symptoms of gastroenteritis and presence of airborne norovirus, and to investigate the size of norovirus carrying particles.METHODS: Air sampling was repeatedly performed close to 26 patients with norovirus infections. Samples were analysed for norovirus RNA by RT-qPCR. The times since the patients' last episodes of vomiting and diarrhoea were recorded. Size separating aerosol particle collection was also performed in ward corridors.RESULTS: Norovirus RNA was found in 21 (24%) of 86 air samples from 10 different patients. Only air samples during outbreaks, or before a succeeding outbreak, tested positive for norovirus RNA. Airborne norovirus RNA was also strongly associated with a shorter time period since the last vomiting episode (odds ratio 8.1, p=0.04 within 3 hours since the last vomiting episode). The concentration of airborne norovirus ranged from 5-215 copies/m3, and detectable amounts of norovirus RNA were found in particles <0.95 µm and >4.51 µm.CONCLUSIONS: The results suggest that recent vomiting is the major source of airborne norovirus and imply a connection between airborne norovirus and outbreaks. The presence of norovirus RNA in submicrometre particles indicates that airborne transmission can be an important transmission route.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Infectious Medicine (hsv//eng)

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