Particulate matter (PM2.5) as a potential SARS-CoV-2 carrier

Nor, Norefrina Shafinaz Md and Yip, Chee Wai and Ibrahim, Nazlina and Jaafar, Mohd Hasni and Rashid, Zetti Zainol and Mustafa, Norlaila and Abd Hamid, Haris Hafizal and Chandru, Kuhan and Latif, Mohd Talib and Saw, Phei Er and Lin, Chin Yik and Alhasa, Kemal Maulana and Hashim, Jamal Hisham and Nadzir, Mohd Shahrul Mohd (2021) Particulate matter (PM2.5) as a potential SARS-CoV-2 carrier. Scientific Reports, 11 (1). ISSN 2045-2322, DOI

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The rapid spread of the SARS-CoV-2 in the COVID-19 pandemic had raised questions on the route of transmission of this disease. Initial understanding was that transmission originated from respiratory droplets from an infected host to a susceptible host. However, indirect contact transmission of viable virus by fomites and through aerosols has also been suggested. Herein, we report the involvement of fine indoor air particulates with a diameter of <= 2.5 mu m (PM2.5) as the virus's transport agent. PM2.5 was collected over four weeks during 48-h measurement intervals in four separate hospital wards containing different infected clusters in a teaching hospital in Kuala Lumpur, Malaysia. Our results indicated the highest SARS-CoV-2 RNA on PM2.5 in the ward with number of occupants. We suggest a link between the virus-laden PM2.5 and the ward's design. Patients' symptoms and numbers influence the number of airborne SARS-CoV-2 RNA with PM2.5 in an enclosed environment.

Item Type: Article
Funders: UKM Special Fund for COVID-19 [COVID-2020-004], UKM [GUP-2018-135] [GGP-2019-015]
Uncontrolled Keywords: Elemental composition; Mass concentration; Trace-elements; Indoor Pm2.5; Air; PM10; Urban
Subjects: Q Science > Q Science (General)
T Technology > T Technology (General)
Divisions: Faculty of Science > Department of Geology
Depositing User: Ms Zaharah Ramly
Date Deposited: 14 Sep 2022 08:27
Last Modified: 14 Sep 2022 08:27

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