期刊
INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
卷 102, 期 -, 页码 478-482出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijid.2020.10.089
关键词
SARS-Cov2; Pandemic; Particulate matter in air
The study successfully detected the SARS-CoV-2 virus using a 0.22 mm pore filter, indicating the presence of the virus in contaminated areas in trapped particulate matter near patients.
Objective: The best way of preventing the dispersion of an infectious disease is decreasing the transmissibility of the pathogen. To achieve such a goal, it is important to have epidemiological surveillance to retrieve data about its routes of transmission and dispersion. This study investigated the possibility of SARS-CoV-2 detection using filtration through 0.22 mm pores. Methods: A filtration system with vacuum pump was used for sampling, and molecular analysis was performed by RT-PCR for detecting the COVID-19 virus. Results: It was found that SARS-CoV-2 could be detected in particulate matter trapped on 0.22 mm filters 3 h after air sampling, and the only contaminated areas were those near patient zones. Conclusions: The results confirm the possibility of finding this virus in floating particulate matter in contaminated zones, with a simple and economic sampling method based on filtration technology through 0.22 mm pores and detection with molecular techniques (RT-PCR). The higher risk zones were those near patients with COVID-19. (C) 2020 The Authors. Published by Elsevier Ltd on behalf of International Society for Infectious Diseases.
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