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Infectivity of exha...
Infectivity of exhaled SARS-CoV-2 aerosols is sufficient to transmit covid-19 within minutes
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- Alsved, Malin (författare)
- Lund University,Lunds universitet,Metalund,Annan verksamhet, LTH,Lunds Tekniska Högskola,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, 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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- Nyström, Kristina, 1977 (författare)
- Gothenburg University,Göteborgs universitet,University of Gothenburg,Sahlgrenska University Hospital,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
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- Thuresson, Sara (författare)
- Lund University,Lunds universitet,Metalund,Annan verksamhet, LTH,Lunds Tekniska Högskola,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, 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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- Nygren, David (författare)
- Lund University,Lunds universitet,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Translationell infektionsmedicin,Forskargrupper vid Lunds universitet,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine,Translational infection medicine,Lund University Research Groups
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- Churqui, Marianela Patzi, 1987 (författare)
- Gothenburg University,Göteborgs universitet,University of Gothenburg,Sahlgrenska University Hospital,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
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- Hussein, Tareq (författare)
- University of Jordan,University of Helsinki
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- Fraenkel, Carl-Johan (författare)
- Lund University,Lunds universitet,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Lärare vid läkarprogrammet,Avdelningen för läkarprogrammets kursadministration,Utbildningsenheten,Kansli M,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine,Teachers at the Medical Programme,Division of Course Administration for the Medical Programme,The Education Office,Faculty Office - BMC
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- Medstrand, Patrik (författare)
- Lund University,Lunds universitet,Klinisk virologi, Malmö,Forskargrupper vid Lunds universitet,Clinical Virology, Malmö,Lund University Research Groups
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- Löndahl, Jakob (författare)
- Lund University,Lunds universitet,Metalund,Annan verksamhet, LTH,Lunds Tekniska Högskola,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, 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)
- 2023
- 2023
- Engelska 9 s.
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Ingår i: Scientific Reports. - 2045-2322. ; 13
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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https://gup.ub.gu.se...
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Abstract
Ämnesord
Stäng
- Exhaled SARS-CoV-2-containing aerosols contributed significantly to the rapid and vast spread of covid-19. However, quantitative experimental data on the infectivity of such aerosols is missing. Here, we quantified emission rates of infectious viruses in exhaled aerosol from individuals within their first days after symptom onset from covid-19. Six aerosol samples from three individuals were culturable, of which five were successfully quantified using TCID50. The source strength of the three individuals was highest during singing, when they exhaled 4, 36, or 127 TCID50/s, respectively. Calculations with an indoor air transmission model showed that if an infected individual with this emission rate entered a room, a susceptible person would inhale an infectious dose within 6 to 37 min in a room with normal ventilation. Thus, our data show that exhaled aerosols from a single person can transmit covid-19 to others within minutes at normal indoor conditions.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
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