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SARS-Cov-2: The Relevance and Prevention of Aerosol Transmission.
van der Valk, Johanna P M; In 't Veen, Johannes C C M.
  • van der Valk JPM; Department of Pulmonary Medicine Franciscus Gasthuis and Vlietland Rotterdam, The Netherlands.
  • In 't Veen JCCM; Department of Pulmonary Medicine Franciscus Gasthuis and Vlietland Rotterdam, The Netherlands.
J Occup Environ Med ; 63(6): e395-e401, 2021 06 01.
Article in English | MEDLINE | ID: covidwho-1192024
ABSTRACT
Coronavirus disease (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-Cov-2), has claimed many victims worldwide due to its high virulence and contagiousness. The person-to-person transmission of SARS-Cov-2 when in close contact is facilitated by respiratory droplets containing the virus particles, and by skin contact with contaminated surfaces. However, the large number of COVID-19 infections cannot be explained only by droplet deposition or contact contamination. It seems very plausible that aerosols are important in transmitting SARS-Cov-2. It has been demonstrated that SARS-CoV-2 remains viable in aerosols for hours, facilitating rapid distribution of the virus over great distances. Aerosols may, therefore, also be responsible for so-called super-spreader events. Indirect evidence points to a correlation between ventilation and the transmission and spread of SARS-Cov-2, supporting ventilation as an important factor in preventing airborne transmission. Further actions to avoid transmission of COVID-19 include social distancing, hygiene measures, and barrier measures, such as face-coverings. Professional masks offer better protection than cloth masks. These protection measures are especially relevant to health care workers, when performing endotracheal intubation, but the risk from non-invasive ventilation and nebulizing treatment seems to be moderate.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Type of study: Prognostic study Limits: Humans Language: English Journal: J Occup Environ Med Journal subject: Occupational Medicine / Environmental Health Year: 2021 Document Type: Article Affiliation country: Jom.0000000000002193

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Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Type of study: Prognostic study Limits: Humans Language: English Journal: J Occup Environ Med Journal subject: Occupational Medicine / Environmental Health Year: 2021 Document Type: Article Affiliation country: Jom.0000000000002193