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Propagation of viral bioaerosols indoors.
Kudryashova, Olga B; Muravlev, Evgeny V; Antonnikova, Aleksandra A; Titov, Sergey S.
  • Kudryashova OB; Institute for Problems of Chemical and Energetic Technologies, SB RAS, Biysk, Russia.
  • Muravlev EV; Institute for Problems of Chemical and Energetic Technologies, SB RAS, Biysk, Russia.
  • Antonnikova AA; Institute for Problems of Chemical and Energetic Technologies, SB RAS, Biysk, Russia.
  • Titov SS; Institute for Problems of Chemical and Energetic Technologies, SB RAS, Biysk, Russia.
PLoS One ; 16(1): e0244983, 2021.
Article in English | MEDLINE | ID: covidwho-1388896
Preprint
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ABSTRACT
Here we look into the spread of aerosols indoors that may potentially carry viruses. Many viruses, including the novel SARS-CoV-2, are known to spread via airborne and air-dust pathways. From the literature data and our research on the propagation of fine aerosols, we simulate herein the carryover of viral aerosols in indoor air. We demonstrate that a lot of fine droplets released from an infected person's coughing, sneezing, or talking propagate very fast and for large distances indoors, as well as bend around obstacles, lift up and down over staircases, and so on. This study suggests equations to evaluate the concentration of those droplets, depending on time and distance from the source of infection. Estimates are given for the safe distance to the source of infection, and available methods for neutralizing viral aerosols indoors are considered.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Disease Transmission, Infectious / COVID-19 Type of study: Experimental Studies Limits: Humans Language: English Journal: PLoS One Journal subject: Science / Medicine Year: 2021 Document Type: Article Affiliation country: JOURNAL.PONE.0244983

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Disease Transmission, Infectious / COVID-19 Type of study: Experimental Studies Limits: Humans Language: English Journal: PLoS One Journal subject: Science / Medicine Year: 2021 Document Type: Article Affiliation country: JOURNAL.PONE.0244983