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Position paper of the Gesellschaft für Aerosolforschung on understanding the role of aerosol particles in SARS-CoV-2 infection

Gesellschaft für Aerosolforschung e.V.

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    <subfield code="a">&lt;p&gt;Many studies have already shown that viruses can spread via aerosol&amp;nbsp;particles. An aerosol is a mixture of air with solid or liquid particles dispersed in it. To understand the role of aerosol particles as a transmission&amp;nbsp;path of SARS-CoV-2, knowledge of the different processes in an aerosol&amp;nbsp;is therefore of particular importance. With this paper, GAeF would like to&amp;nbsp;contribute to a better understanding of the term &amp;ldquo;aerosol&amp;rdquo; and the relevant aerosol processes. In the context of this paper only the essential basics will be discussed. For a deeper understanding of the partly complex&amp;nbsp;processes, please refer to the literature mentioned at the end of the paper. The paper summarises a large number of studies on the formation&amp;nbsp;of virus-laden aerosol particles and their spread. Based on this, it can&amp;nbsp;be concluded that exhaled aerosol particles may play a prominent role&amp;nbsp;in the spread of viruses in the corona pandemic. Finally, this paper discusses possible measures to reduce the spread of aerosol particles. The&amp;nbsp;measures discussed are based on the current public debate including&amp;nbsp;ventilation, air purifiers, HVAC systems and masks. Advice is given on the&amp;nbsp;correct and sensible use of these measures.&lt;/p&gt;</subfield>
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