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Article ; Online: Evaluating the COVID-19 Containment Protocol in Greek Universities for the Academic Year 2021-2022.

Rachaniotis, Nikolaos P

International journal of environmental research and public health

2022 Volume 19, Issue 21

Abstract: The COVID-19 pandemic severely disrupted European universities' educational process. With the vaccination rollout, in-class instruction broadly resumed beginning in September 2021. In order to mitigate the risks of SARS-CoV-2 transmission, European ... ...

Abstract	The COVID-19 pandemic severely disrupted European universities' educational process. With the vaccination rollout, in-class instruction broadly resumed beginning in September 2021. In order to mitigate the risks of SARS-CoV-2 transmission, European universities apply COVID-19 containment protocols. The aim of this paper is to evaluate the COVID-19 containment protocol that Greek universities implemented in order to fully reopen in the fall of 2021 and for the entire academic year 2021-2022. A case study was conducted at the Department of Industrial Management and Technology, University of Piraeus (Athens' port), Greece. Data were collected from November 2021 to July 2022 and a quantitative statistical analysis (descriptive and inferential) was performed. A total of 330 unique (and 43 reinfections) COVID-19 cases were confirmed, including 241 undergraduate students, 73 postgraduate, and 2 doctoral students, 10 faculty, and 4 administrative personnel. Contact tracing reported four confirmed and eight potential cases of in-classroom transmission. The person in charge of implementing the COVID-19 containment protocol in the department ordered more than 6000 rapid tests during this period. The Department of Industrial Management and Technology at the University of Piraeus used a rigorously monitored and coordinated strategy of vaccine promotion, screening/testing, contact tracing, isolation, and quarantine in order to control COVID-19 transmission. The results show, on one hand, that the protocol's implementation is effective and leads to in-classroom transmission minimization and, on the other hand, verify the hypothesis that the department's confirmed COVID-19 cases are less (with a mean percentage difference of 50%) than the community's respective 18-39 age group.
MeSH term(s)	Humans ; COVID-19/epidemiology ; COVID-19/prevention & control ; Pandemics/prevention & control ; SARS-CoV-2 ; Greece/epidemiology ; Universities ; Quarantine/methods
Language	English
Publishing date	2022-11-02
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2175195-X
ISSN	1660-4601 ; 1661-7827
ISSN (online)	1660-4601
ISSN	1661-7827
DOI	10.3390/ijerph192114363
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: A holistic approach in epidemics.

Tsagkarliotis, Ioannis / Rachaniotis, Nikolaos P

Frontiers in public health

2023 Volume 11, Page(s) 1263293

Abstract: This paper explores the concept of a holistic approach in preventing and responding to epidemics. Epidemics are defined as the occurrence of an illness or health-related event exceeding normal expectations within a specific community or region. Holism ... ...

Abstract	This paper explores the concept of a holistic approach in preventing and responding to epidemics. Epidemics are defined as the occurrence of an illness or health-related event exceeding normal expectations within a specific community or region. Holism emphasizes viewing systems as a whole rather than a collection of parts. In the context of epidemics, a holistic approach considers not only medical interventions but also social, economic, psychological and environmental factors that influence disease transmission and management. The impact of climate change on epidemic response, the understanding of the significance of animal health and agriculture, the consideration of art, culture and societal factors, the exploration of the use of technology and innovation, the addressing of limitations in resources and the provision of enhanced support for the mental and emotional well-being of individuals and affected communities, are parts of this holistic approach. By integrating them, innovative practices as well as cross-sectoral and interdisciplinary techniques can be employed. Such an approach has the potential to enhance epidemic prevention and response strategies, ultimately contributing to positive public health outcomes.
MeSH term(s)	Humans ; Epidemics/prevention & control ; Public Health
Language	English
Publishing date	2023-11-13
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2711781-9
ISSN	2296-2565 ; 2296-2565
ISSN (online)	2296-2565
ISSN	2296-2565
DOI	10.3389/fpubh.2023.1263293
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Article ; Online: Evaluating the COVID-19 Containment Protocol in Greek Universities for the Academic Year 2021–2022

Nikolaos P. Rachaniotis

International Journal of Environmental Research and Public Health, Vol 19, Iss 14363, p

2022 Volume 14363

Abstract: The COVID-19 pandemic severely disrupted European universities’ educational process. With the vaccination rollout, in-class instruction broadly resumed beginning in September 2021. In order to mitigate the risks of SARS-CoV-2 transmission, European ... ...

Abstract	The COVID-19 pandemic severely disrupted European universities’ educational process. With the vaccination rollout, in-class instruction broadly resumed beginning in September 2021. In order to mitigate the risks of SARS-CoV-2 transmission, European universities apply COVID-19 containment protocols. The aim of this paper is to evaluate the COVID-19 containment protocol that Greek universities implemented in order to fully reopen in the fall of 2021 and for the entire academic year 2021–2022. A case study was conducted at the Department of Industrial Management and Technology, University of Piraeus (Athens’ port), Greece. Data were collected from November 2021 to July 2022 and a quantitative statistical analysis (descriptive and inferential) was performed. A total of 330 unique (and 43 reinfections) COVID-19 cases were confirmed, including 241 undergraduate students, 73 postgraduate, and 2 doctoral students, 10 faculty, and 4 administrative personnel. Contact tracing reported four confirmed and eight potential cases of in-classroom transmission. The person in charge of implementing the COVID-19 containment protocol in the department ordered more than 6000 rapid tests during this period. The Department of Industrial Management and Technology at the University of Piraeus used a rigorously monitored and coordinated strategy of vaccine promotion, screening/testing, contact tracing, isolation, and quarantine in order to control COVID-19 transmission. The results show, on one hand, that the protocol’s implementation is effective and leads to in-classroom transmission minimization and, on the other hand, verify the hypothesis that the department’s confirmed COVID-19 cases are less (with a mean percentage difference of 50%) than the community’s respective 18–39 age group.
Keywords	COVID-19 containment and surveillance protocol ; tertiary education ; public health ; Medicine ; R
Language	English
Publishing date	2022-11-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: A holistic approach in epidemics

Ioannis Tsagkarliotis / Nikolaos P. Rachaniotis

Frontiers in Public Health, Vol

2023 Volume 11

Abstract	This paper explores the concept of a holistic approach in preventing and responding to epidemics. Epidemics are defined as the occurrence of an illness or health-related event exceeding normal expectations within a specific community or region. Holism emphasizes viewing systems as a whole rather than a collection of parts. In the context of epidemics, a holistic approach considers not only medical interventions but also social, economic, psychological and environmental factors that influence disease transmission and management. The impact of climate change on epidemic response, the understanding of the significance of animal health and agriculture, the consideration of art, culture and societal factors, the exploration of the use of technology and innovation, the addressing of limitations in resources and the provision of enhanced support for the mental and emotional well-being of individuals and affected communities, are parts of this holistic approach. By integrating them, innovative practices as well as cross-sectoral and interdisciplinary techniques can be employed. Such an approach has the potential to enhance epidemic prevention and response strategies, ultimately contributing to positive public health outcomes.
Keywords	holistic approach ; epidemics ; conceptual modelling ; non-medical interventions ; public health ; Public aspects of medicine ; RA1-1270
Subject code	306
Language	English
Publishing date	2023-11-01T00:00:00Z
Publisher	Frontiers Media S.A.
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Life Cycle Costing Implementation in Green Public Procurement

Varvara S. Orfanidou / Nikolaos P. Rachaniotis / Giannis T. Tsoulfas / Gregory P. Chondrokoukis

Sustainability, Vol 15, Iss 2817, p

A Case Study from the Greek Public Sector

2023 Volume 2817

Abstract: Green Public Procurement (GPP) is an essential strategy for achieving goals related to public environmental policy, including sustainable production and consumption, streamlined use of resources and mitigation of climate change. The European Union has ... ...

Abstract	Green Public Procurement (GPP) is an essential strategy for achieving goals related to public environmental policy, including sustainable production and consumption, streamlined use of resources and mitigation of climate change. The European Union has adopted policies towards “greening” public procurement for member states in order to promote environmental sustainability. Life Cycle Costing (LCC) is a method that measures the financial impact of an investment over the life cycle of a product. The current EU Procurement Directives (2014) are designed to position LCC centrally to sustainable sourcing. Although the literature identifies the links between the environmental dimension through GPP and the economic dimension through the use of LCC, the interaction between them in the context of public procurement has not been adequately captured. The aim of this paper is to evaluate the results of the LCC tools implementation in the context of GPP in Greece and study the economic impact of green procurement in public organizations. The urgent need of reducing energy consumption in the public sector due to the continuing energy crisis and climate change is an additional incentive to evaluate this impact. LCC tools developed by the EU were used, fed with data from public procurement contracts carried out in the Greek public sector. The results show that the adoption of environmental criteria requires market research, planning and coordination to make it cost-effective, especially under the legislative mandate of GPP in Greece by 2022.
Keywords	green public procurement ; life cycle costing ; LCC EU tool ; Greece ; Environmental effects of industries and plants ; TD194-195 ; Renewable energy sources ; TJ807-830 ; Environmental sciences ; GE1-350
Subject code	710
Language	English
Publishing date	2023-02-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: A Two-Phase Stochastic Dynamic Model for COVID-19 Mid-Term Policy Recommendations in Greece: A Pathway towards Mass Vaccination.

Rachaniotis, Nikolaos P / Dasaklis, Thomas K / Fotopoulos, Filippos / Tinios, Platon

International journal of environmental research and public health

2021 Volume 18, Issue 5

Abstract: From 7 November 2020, Greece adopted a second nationwide lockdown policy to mitigate the transmission of SARS-CoV-2 (the first took place from 23 March to 4 May 2020), just as the second wave of COVID-19 was advancing, as did other European countries. To ...

Abstract	From 7 November 2020, Greece adopted a second nationwide lockdown policy to mitigate the transmission of SARS-CoV-2 (the first took place from 23 March to 4 May 2020), just as the second wave of COVID-19 was advancing, as did other European countries. To secure the full benefits of mass vaccination, which started in early January 2021, it is of utmost importance to complement it with mid-term non-pharmaceutical interventions (NPIs). The objective was to minimize human losses and to limit social and economic costs. In this paper a two-phase stochastic dynamic network compartmental model (a pre-vaccination SEIR until 15 February 2021 and a post-vaccination SVEIR from 15 February 2021 to 30 June 2021) is developed. Three scenarios are assessed for the first phase: (a) A baseline scenario, which lifts the national lockdown and all NPIs in January 2021; (b) a "semi-lockdown" scenario with school opening, partial retail sector operation, universal mask wearing, and social distancing/teleworking in January 2021; and (c) a "rolling lockdown" scenario combining a partial lifting of measures in January 2021 followed by a third nationwide lockdown in February 2021. In the second phase three scenarios with different vaccination rates are assessed. Publicly available data along with some first results of the SHARE COVID-19 survey conducted in Greece are used as input. The results regarding the first phase indicate that the "semi-lockdown" scenario clearly outperforms the third lockdown scenario (5.7% less expected fatalities); the second phase is extremely sensitive on the availability of sufficient vaccine supplies and high vaccination rates.
MeSH term(s)	COVID-19 ; Communicable Disease Control ; Europe ; Greece ; Humans ; Mass Vaccination ; Policy ; SARS-CoV-2
Language	English
Publishing date	2021-03-03
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2175195-X
ISSN	1660-4601 ; 1661-7827
ISSN (online)	1660-4601
ISSN	1661-7827
DOI	10.3390/ijerph18052497
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: A Two-Phase Stochastic Dynamic Model for COVID-19 Mid-Term Policy Recommendations in Greece

Nikolaos P. Rachaniotis / Thomas K. Dasaklis / Filippos Fotopoulos / Platon Tinios

International Journal of Environmental Research and Public Health, Vol 18, Iss 2497, p

A Pathway Towards Mass Vaccination

2021 Volume 2497

Abstract	From 7 November 2020, Greece adopted a second nationwide lockdown policy to mitigate the transmission of SARS-CoV-2 (the first took place from 23 March to 4 May 2020), just as the second wave of COVID-19 was advancing, as did other European countries. To secure the full benefits of mass vaccination, which started in early January 2021, it is of utmost importance to complement it with mid-term non-pharmaceutical interventions (NPIs). The objective was to minimize human losses and to limit social and economic costs. In this paper a two-phase stochastic dynamic network compartmental model (a pre-vaccination SEIR until 15 February 2021 and a post-vaccination SVEIR from 15 February 2021 to 30 June 2021) is developed. Three scenarios are assessed for the first phase: (a) A baseline scenario, which lifts the national lockdown and all NPIs in January 2021; (b) a “semi-lockdown” scenario with school opening, partial retail sector operation, universal mask wearing, and social distancing/teleworking in January 2021; and (c) a “rolling lockdown” scenario combining a partial lifting of measures in January 2021 followed by a third nationwide lockdown in February 2021. In the second phase three scenarios with different vaccination rates are assessed. Publicly available data along with some first results of the SHARE COVID-19 survey conducted in Greece are used as input. The results regarding the first phase indicate that the “semi-lockdown” scenario clearly outperforms the third lockdown scenario (5.7% less expected fatalities); the second phase is extremely sensitive on the availability of sufficient vaccine supplies and high vaccination rates.
Keywords	COVID-19 ; compartmental models ; stochastic dynamic network ; Medicine ; R
Subject code	510
Language	English
Publishing date	2021-03-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Is Mandatory Vaccination in Population over 60 Adequate to Control the COVID-19 Pandemic in E.U.?

Rachaniotis, Nikolaos P / Dasaklis, Thomas K / Fotopoulos, Filippos / Chouzouris, Michalis / Sypsa, Vana / Lyberaki, Antigone / Tinios, Platon

Vaccines

2022 Volume 10, Issue 2

Abstract: Vaccine hesitancy, which potentially leads to the refusal or delayed acceptance of COVID-19 vaccines, is considered a key driver of the increasing death toll from the pandemic in the EU. The European Commission and several member states' governments are ... ...

Abstract	Vaccine hesitancy, which potentially leads to the refusal or delayed acceptance of COVID-19 vaccines, is considered a key driver of the increasing death toll from the pandemic in the EU. The European Commission and several member states' governments are either planning or have already directly or indirectly announced mandatory vaccination for individuals aged over 60, the group which has repeatedly proved to be the most vulnerable. In this paper, an assessment of this strategy's benefits is attempted by deriving a metric for the potential gains of vaccination mandates that can be used to compare EU member states. This is completed by examining the reduction in Standard Expected Years of Life Lost (SEYLL) per person for the EU population over 60 as a function of the member states' vaccination percentage in these ages. The publicly available data and results of the second iteration of the SHARE COVID-19 survey on the acceptance of COVID-19 vaccines, conducted during the summer of 2021, are used as inputs.
Language	English
Publishing date	2022-02-18
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2703319-3
ISSN	2076-393X
ISSN	2076-393X
DOI	10.3390/vaccines10020329
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: A two-phase stochastic dynamic model for COVID-19 mid-term policy recommendations in Greece: a pathway towards mass vaccination

Rachaniotis, Nikolaos P. / Dasaklis, Tomas K. / Fotopoulos, Filippos / Tinios, Platon

medRxiv

Abstract: From November 7th, 2020, Greece adopted a second nationwide lockdown policy to mitigate the transmission of SARS-CoV-2 (the first took place from March 23rd till May 4th, 2020), just as the second wave of COVID-19 was advancing, as did other European ... ...

Abstract	From November 7th, 2020, Greece adopted a second nationwide lockdown policy to mitigate the transmission of SARS-CoV-2 (the first took place from March 23rd till May 4th, 2020), just as the second wave of COVID-19 was advancing, as did other European countries. In the light of the very promising voluntary mass vaccination, which will start in January 2021, it is of utmost importance for the country to plan to complement vaccination with mid-term Non-Pharmaceutical Interventions (NPIs). The objective is to minimize human losses and to limit social and economic costs. In this paper a two-phase stochastic dynamic network compartmental model (a pre-vaccination SEIR until February 15th, 2021 and a post-vaccination SVEIR from February 15th, 2021 to June 30th, 2021) is developed. Three scenarios are assessed in the first phase: (a) a baseline scenario, which lifts the national lockdown and all NPIs on January 2021, (b) a 9semi-lockdown9 scenario with school opening, partial retail sector operation, universal mask wearing and social distancing/teleworking on January 2021 and (c) a 9rolling lockdown9 scenario combining a partial lifting of measures in January 2021 followed by a third imposed nationwide lockdown in February 2021. In the second phase three scenarios with different vaccination rates are assessed. Publicly available data along with some preliminary first results of the SHARE COVID-19 survey conducted in Greece are used as input. The results regarding the first phase indicate that the 9semi-lockdown9 scenario outperforms the third lockdown scenario (5.7% less expected fatalities), whereas in the second phase it is of great importance to ensure a sufficient vaccine supply and high vaccination rates.
Keywords	covid19
Language	English
Publishing date	2021-01-08
Publisher	Cold Spring Harbor Laboratory Press
Document type	Article ; Online
DOI	10.1101/2021.01.07.21249394
Database	COVID19

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Article: Ink and toner cartridges' remanufacturing in Greece

Chrysagi, Eleni / Rachaniotis, Nikolaos P. / Tsoulfas, Giannis T. / Sarri, Katerina K.

International journal of environmental technology and management

2020 Volume 23, Issue 2/4, Page(s) 271

Language	English
Document type	Article
ZDB-ID	2080011-3
ISSN	1466-2132
Database	Current Contents Nutrition, Environment, Agriculture

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