In December 2019, SARS-CoV-2, a novel CoV that causes coronavirus disease 2019 (COVID-19), was identified in the city of Wuhan, a major transport hub of central China. For a conceptualization of SARS-CoV-2 deposition, see Based upon previous investigation into SARS, spread through aerosolization remains a potential secondary transmission method, especially within the built environment. 1: Conceptualization of SARS-CoV-2 Deposition (A) Once an individual has been infected with SARS-CoV-2, viral particles accumulate in the lungs and upper respiratory tract. [Extracted from the article]