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Simultaneous monitoring of SARS-CoV-2, bacteria,and fungi in indoor air of hospital: a study on Hajar Hospital in Shahrekord,Iran |
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| Authors: | Hemati Sara Mobini Gholam Reza Heidari Mohsen Rahmani Fereidoun Soleymani Babadi Akbar Farhadkhani Marzieh Nourmoradi Heshmatollah Raeisi Ahmad Ahmadi Ali Khodabakhshi Abbas Sadeghi Mehraban Bagheri Milad Validi Majid Taghipour Simin Mohammadi-Moghadam Fazel |
| Affiliation: | 1.Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran ;2.Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran ;3.Department of Environmental Health Engineering, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran ;4.Department of Infectious Diseases, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran ;5.Department of Pulmonary Diseases, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran ;6.Educational Development Center, Shahrekord University of Medical Sciences, Shahrekord, Iran ;7.Biotechnology and Medicinal Plant Research Center, Ilam University of Medical Sciences, Ilam, Iran ;8.Department of Environmental Health Engineering, School of Health, Ilam University of Medical Sciences, Ilam, Iran ;9.Department of Internal Medicine, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran ;10.Department of Epidemiology, Modeling in Health Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran ;11.Department of Medical Bacteriology, School of Allied Medical Sciences, Shahrekord University of Medical Sciences, Shahrekord, Iran ;12.Department of Medical Mycology and Parasitology, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran ; |
| Abstract: | The novel SARS-CoV-2 outbreak was declared as pandemic by the World Health Organization (WHO) on March 11, 2020. Understanding the airborne route of SARS-CoV-2 transmission is essential for infection prevention and control. In this study, a total of 107 indoor air samples (45 SARS-CoV-2, 62 bacteria, and fungi) were collected from different wards of the Hajar Hospital in Shahrekord, Iran. Simultaneously, bacterial and fungal samples were also collected from the ambient air of hospital yard. Overall, 6 positive air samples were detected in the infectious 1 and infectious 2 wards, intensive care unit (ICU), computed tomography (CT) scan, respiratory patients’ clinic, and personal protective equipment (PPE) room. Also, airborne bacteria and fungi were simultaneously detected in the various wards of the hospital with concentrations ranging from 14 to 106 CFU m?3 and 18 to 141 CFU m?3, respectively. The highest mean concentrations of bacteria and fungi were observed in respiratory patients’ clinics and ICU wards, respectively. Significant correlation (p < 0.05) was found between airborne bacterial concentration and the presence of SARS-CoV-2, while no significant correlation was found between fungi concentration and the virus presence. This study provided an additional evidence about the presence of SARS-CoV-2 in the indoor air of a hospital that admitted COVID-19 patients. Moreover, it was revealed that the monitoring of microbial quality of indoor air in such hospitals is very important, especially during the COVID-19 pandemic, for controlling the nosocomial infections. |
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