SARS-CoV-2 aerosol and droplets: an overview

Aerosol particles can spread respiratory infections, especially those caused by viruses; however, the perceived threat is small for many technical reasons, as identified in this article. Under controlled conditions, aerosol particles can travel up to a distance of 28 feet (or 8 m); however, such aer...

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Bibliographic Details
Published in:Virusdisease 2021-06, Vol.32 (2), p.190-197
Main Author: Ranga, Udaykumar
Format: Article
Language:English
Subjects:
Aerosols
Biochemistry
Biomedical and Life Sciences
Cell Biology
Controlled conditions
Coronaviruses
Disease transmission
Humidity
Infections
Life Sciences
Microbiology
Protein Structure
Respiratory tract infection
Review
Review Article
Severe acute respiratory syndrome coronavirus 2
Ventilation
Viruses
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Summary:Aerosol particles can spread respiratory infections, especially those caused by viruses; however, the perceived threat is small for many technical reasons, as identified in this article. Under controlled conditions, aerosol particles can travel up to a distance of 28 feet (or 8 m); however, such aerosol particles are less likely to have sufficient quantities of viable viruses to spread infection. Additionally, nearly all the experimental models examined the behavior of the aerosols only in confined spaces, not in open areas; these findings, therefore, cannot be considered generally applicable. In the absence of scientific information and education, only misconceptions, unfounded fears, and unsubstantiated myths will prevail. Given that an effective vaccine and drugs are still not available, prevention remains the only option of protection against SARS-CoV-2, the new coronavirus. Wearing a mask is not only necessary but also critical to reduce the probability of viral spread by contact (fomite), not aerosol, transmission.
ISSN:2347-3584
2347-3517
DOI:10.1007/s13337-021-00660-z