Microbial Survival and Transport Mechanisms with Various Fomites

A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Microbiology".

Deadline for manuscript submissions: closed (29 September 2023) | Viewed by 1870

Special Issue Editors

School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu 069-8501, Japan
Interests: environmental health; veterinary science; bioaerosols; infectious diseases; airborne transmission; air pollution; atmospheric science; one health
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Mycobacterium Reference and Research, Research Institute of Tuberculosis Japan Anti-Tuberculosis Association, Tokyo 204-8533, Japan
Interests: tuberculosis; non-tuberculosis mycobacteria; airborne; transmission; infection; diagnosis; fomite;environment; survival

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Guest Editor
Division of Clinical Research, Fukujuji Hospital, Japan Anti-Tuberculosis Association, Tokyo 204-8522, Japan
Interests: nontuberculous mycobacteria; bronchiectasi; primary ciliary dyskinesia; environment; epidemiology; treatment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The dispersion of microorganisms, including pathogens, their survival and transport mechanism, is an essential factor for the mitigation of infectious diseases and other related topics. However, many research activities concerning pathogenic microorganisms have focused on characterizing and understanding the pathogen by itself. For a better understanding of the behavior of microorganisms, it is necessary to improve knowledge regarding the role of fomites, which affect the survival and/or transport of microorganisms in various environments. For this reason, there is a requirement to consolidate knowledge, including the physicochemical properties of fomites as factors promoting or inhibiting the survival of microorganisms. Specifically, we hope to better comprehend the function and role of fomites in protecting microorganisms from various stresses, such as ultraviolet ray irradiation, desiccation and oxidations. Obtaining information on fomites’ protective and infection-mediating role regarding these microorganisms would help control infectious diseases and maximize disinfection practices. Furthermore, we aim to share information on the symbiotic relationship between fomites and microorganisms, where fomites can contribute to the establishment of good microbial flora and other beneficial applications.

Prof. Dr. Jun Noda
Prof. Dr. Satoshi Mitarai
Dr. Kozo Morimoto
Guest Editors

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Keywords

  • bioaerosol
  • microbes-fomite interaction
  • airborne transmission
  • biological agent

Published Papers (1 paper)

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Research

14 pages, 1929 KiB  
Article
Bacterial Contamination of Healthcare Students’ Mobile Phones: Impact of Specific Absorption Rate (SAR), Users’ Demographics and Device Characteristics on Bacterial Load
by Massimo Maurici, Francesca Pica, Gian Loreto D’Alò, Domenico Cicciarella Modica, Alessandra Distefano, Margarida Gorjao, Maria Sofia Simonelli, Livio Serafinelli and Patrizia De Filippis
Life 2023, 13(6), 1349; https://0-doi-org.brum.beds.ac.uk/10.3390/life13061349 - 08 Jun 2023
Cited by 1 | Viewed by 1362
Abstract
We quantitatively and qualitatively evaluated the bacterial contamination of mobile phones (MPs) in relation to users’ demographics, habits, and device characteristics by administering questionnaires to 83 healthcare university students and sampling their MPs by following a cross-sectional design. The heterotrophic plate count (HPC) [...] Read more.
We quantitatively and qualitatively evaluated the bacterial contamination of mobile phones (MPs) in relation to users’ demographics, habits, and device characteristics by administering questionnaires to 83 healthcare university students and sampling their MPs by following a cross-sectional design. The heterotrophic plate count (HPC) at 22 °C (HPC 22 °C) and 37 °C (HPC 37 °C), Enterococci, Gram-negative bacteria, and Staphylococci were evaluated. Higher bacterial loads were detected for HPC 37 °C and Staphylococci (416 and 442 CFU/dm2, respectively), followed by HPC 22 °C, Enterococci, and Gram-negative bacteria; the vast majority of samples were positive for HPC 37 °C, HPC 22 °C, and Staphylococci (98%), while Enterococci (66%) and Gram-negative bacteria (17%) were detected less frequently. A statistically significant positive correlation (r = 0.262, p < 0.02) was found between the European head specific absorption rate (SAR) and both HPC 37 °C and Staphylococci; Enterococci showed a strong, significant correlation with HPC 37 °C, HPC 22 °C, and Gram-negative bacteria (r = 0.633, 0.684, 0.884) and a moderate significant correlation with Staphylococci (r = 0.390). Significant differences were found between HPC 22 °C and the type of internship attendance, with higher loads for Medicine. Students with a daily internship attendance had higher HPC 22 °C levels than those attending <6 days/week. Our study showed that bacteria can survive on surfaces for long periods, depending on the user’s habits and the device’s characteristics. Full article
(This article belongs to the Special Issue Microbial Survival and Transport Mechanisms with Various Fomites)
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