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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

The role of mobile phones as a possible pathway for pathogen movement, a cross-sectional microbial analysis

Tajouri, L., Campos, M., Olsen, M., Lohning, A., Jones, P., Moloney, S., Grimwood, K., Ugail, Hassan, Mahboub, B., Alawar, H., McKirdy, S., Alghafri, R. 20 March 2022 (has links)
Yes / Introduction: Mobile phones are used the world over, including in healthcare settings. This study aimed to investigate the viable microbial colonisation of mobile phones used by healthcare personnel. Methods: Swabs collected on the same day from 30 mobile phones belonging to healthcare workers from three separate paediatric wards of an Australian hospital were cultured on five types of agar plate, then colonies from each phone were pooled, extracted and sequenced by shotgun metagenomics. Questionnaires completed by staff whose phones were sampled assisted in the analysis and interpretation of results. Results and discussion: All phones sampled cultured viable bacteria. Overall, 399 bacterial operational taxonomic units were identified from 30 phones, with 1432 cumulative hits. Among these were 58 recognised human pathogenic and commensal bacteria (37 Gram-negative, 21 Gram-positive). The total number of virulence factor genes detected was 347, with 1258 cumulative hits. Antibiotic resistance genes (ARGs) were detected on all sampled phones and overall, 133 ARGs were detected with 520 cumulative hits. The most important classes of ARGs detected encoded resistance to beta-lactam, aminoglycoside and macrolide antibiotics and efflux pump mediated resistance mechanisms. Conclusion: Mobile phones carry viable bacterial pathogens and may act as fomites by contaminating the hands of their users and indirectly providing a transmission pathway for hospital-acquired infections and dissemination of antibiotic resistance. Further research is needed, but meanwhile adding touching mobile phones to the five moments of hand hygiene is a simple infection control strategy worth considering in hospital and community settings. Additionally, the implementation of practical and effective guidelines to decontaminate mobile phone devices would likely be beneficial to the hospital population and community at large.
2

Sekuritizace biologie: Biologické hrozby a připravenost státu v kontextu pandemie / Securitising biology: Biological threats and state preparedness in the wake of a pandemic

Artico, Chiara January 2021 (has links)
64053643 SECURITISING BIOLOGY: BIOLOGICAL THREATS AND STATE PREPAREDNESS IN THE WAKE OF A PANDEMIC ABSTRACT The management of infectious diseases in the realm of public health has shown increasingly overlapping areas with biological warfare preparedness. While the acknowledgement of these common elements is not only frequent but also codified in an international treaty and subject to distinct regulations, research into how these two fields connect is scarce. Potential deliberate use of biological weapons typically leads to intense political mobilisation and ensuing dedication of financial resources. Contrarily, the management of health crises over the last decades has been severely flawed, and no country in the world is considered fully prepared to a pandemic, according to the Global Health Security Index. The current COVID-19 pandemic has recently been further proof of the inadequacy of state-level prevention and preparedness capabilities. This dissertation aims at bridging the existing conceptual gap and policy divide between biological warfare and infectious disease preparedness, and to analyse elements that can be mutually applicable and potentially beneficial. It will do so by establishing analytical equivalence between the securitisation of an artificial biothreat and a nature-borne infectious disease...

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