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New evidence for aerosol transmission of SARS-CoV-2
Chinese Journal of Nosocomiology ; 32(9):1430-1434, 2022.
Article in English, Chinese | CAB Abstracts | ID: covidwho-2012147
ABSTRACT
Since the outbreak of COVID-19, the opinion that the aerosol plays a key role in the transmission of SARS-CoV-2 has been controversial. The COVID-19 pandemic has continued interpersonal transmission for more than two years, especially after the emergence of Delta and Omicron variants, making the situation of COVID-19 pandemic more severe. The transmission of SARS-COV-2 variants was significantly accelerated and the time of transmission between generations was significantly shortened. Therefore, it has been questioned to attribute the close-range infection to droplet transmission. The point that the aerosol can also has a close-range transmission and may play a dominant role is neglected under the influence of traditional transmission mode of respiratory infectious diseases. A large number of studies have shown that normal breath, talk and cough could release a large number of respiratory aerosol particles, and the virus particles were mainly tiny particles(=5.0 micro m). The biological activity and infectivity of the droplet nuclei have been questioned in the studies on their physicochemical properties. Animal models of ferrets and hamsters showed that SARS-COV-2 could transmit via aerosol. Therefore, the new evidence for the aerosol transmission of SARS-COV-2 was reviewed in the article so as to provide latest evidence-based evidence for prevention and control of COVID-19.
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Collection: Databases of international organizations Database: CAB Abstracts Language: English / Chinese Journal: Chinese Journal of Nosocomiology Year: 2022 Document Type: Article

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Collection: Databases of international organizations Database: CAB Abstracts Language: English / Chinese Journal: Chinese Journal of Nosocomiology Year: 2022 Document Type: Article