Indoor Air Quality including Respiratory Viruses

The detection of SARS-CoV-2 in indoor environments is a cause of increasing concern. In this study, three sampling methodologies have been used in order to collect SARS-CoV-2 and 17 other respiratory viruses in indoor air, combined with a new analytical process to analyze respiratory viruses. Differ...

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Bibliographic Details
Published in:Toxics (Basel) 2021-10, Vol.9 (11), p.274
Main Authors: López, Antonio, Fuentes, Esther, Yusà, Vicent, López-Labrador, F., Camaró, Marisa, Peris-Martinez, Cristina, Llácer, Martin, Ortolá, Susana, Coscollà, Clara
Format: Article
Language:English
Subjects:
air
Air quality
Bioaerosols
Carbon dioxide
Carbon monoxide
Control programs
Coronaviruses
COVID-19
Indoor air pollution
Indoor air quality
Indoor environments
Nitrogen dioxide
Organic compounds
Parameters
Particulate emissions
Particulate matter
respiratory virus
sampling methodology
Sampling methods
SARS-CoV-2
Severe acute respiratory syndrome coronavirus 2
Viral diseases
Viruses
VOCs
Volatile organic compounds
Waiting rooms
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Summary:The detection of SARS-CoV-2 in indoor environments is a cause of increasing concern. In this study, three sampling methodologies have been used in order to collect SARS-CoV-2 and 17 other respiratory viruses in indoor air, combined with a new analytical process to analyze respiratory viruses. Different areas of an ophthalmological hospital were investigated for the presence of these airborne viruses. Moreover, indoor air quality (IAQ) parameters (carbon dioxide, CO2; carbon monoxide, CO; nitrogen dioxide, NO2; volatile organic compounds, VOCs; formaldehyde, HCHO; and particulate matter, PM) have been examined to study the relationship between IAQ and airborne viruses. All indoor air and surface samples assessed were found to be negative for SARS-CoV-2. Nevertheless, another airborne respiratory virus (HRV/ENV) was detected, illustrating that the methodology set out here is a suitable one. Regarding the results for the IAQ, chemical parameters studied in the hall and waiting room of the hospital presented acceptable values. However, in the doctor′s consultation room VOCs and HCHO show some instantaneous levels higher than the recommended guide values. The methodological approach described in this paper, integrating conventional IAQ and the assessment of bioaerosols, can be used in research and control programs aimed at promoting a healthy indoor environment.
ISSN:2305-6304
2305-6304
DOI:10.3390/toxics9110274