Social Distance Alert System to Control Virus Spread using UWB RTLS in Corporate Environments

2020 ◽  
Author(s):  
T. Nikhil Anand Reddy ◽  
Naga Deepa Ch ◽  
V. Padmaja
Keyword(s):  
Social Distance ◽  
Virus Spread ◽  
Alert System ◽  
Corporate Environments ◽  
Control Virus

scholarly journals Evaluation of Liquid- and Fog-Based Application of Sterilox Hypochlorous Acid Solution for Surface Inactivation of Human Norovirus

2007 ◽  
Vol 73 (14) ◽  
pp. 4463-4468 ◽  
Author(s):  
Geun Woo Park ◽  
Deyanna M. Boston ◽  
Julie A. Kase ◽  
Mark N. Sampson ◽  
Mark D. Sobsey
Keyword(s):  
Antimicrobial Activity ◽  
Stainless Steel ◽  
Hypochlorous Acid ◽  
Confined Space ◽  
Virus Spread ◽  
Rt Pcr ◽  
Human Norovirus ◽  
Infectious Dose ◽  
Control Virus ◽  
Potential Damage

ABSTRACT Noroviruses (NVs) are the most frequent cause of outbreaks of gastroenteritis in common settings, with surface-mediated transfer via contact with fecally contaminated surfaces implicated in exposure. NVs are environmentally stable and persistent and have a low infectious dose. Several disinfectants have been evaluated for efficacy to control viruses on surfaces, but the toxicity and potential damage to treated materials limits their applicability. Sterilox hypochlorous acid (HOCl) solution (HAS) has shown broad-spectrum antimicrobial activity while being suitable for general use. The objectives of this study were to evaluate the efficacy of HAS to reduce NV both in aqueous suspensions and on inanimate carriers. HOCl was further tested as a fog to decontaminate large spaces. HOCl effectiveness was evaluated using nonculturable human NV measured by reverse transcriptase PCR (RT-PCR) and two surrogate viruses, coliphage MS2 and murine NV, that were detected by both infectivity and RT-PCR. Exposing virus-contaminated carriers of ceramic tile (porous) and stainless steel (nonporous) to 20 to 200 ppm of HOCl solution resulted in ≥99.9% (≥3 log10) reductions of both infectivity and RNA titers of tested viruses within 10 min of exposure time. HOCl fogged in a confined space reduced the infectivity and RNA titers of NV, murine NV, and MS2 on these carriers by at least 99.9% (3 log10), regardless of carrier location and orientation. We conclude that HOCl solution as a liquid or fog is likely to be effective in disinfecting common settings to reduce NV exposures and thereby control virus spread via fomites.

scholarly journals An Emergency Switch to Distance Learning in Response to the COVID-19 Pandemic: Experience from an Internationally Accredited Undergraduate Pharmacy Program at Qatar University

2020 ◽  
Vol 30 (4) ◽  
pp. 1393-1397
Author(s):  
Farhat Naz Hussain ◽  
Reem Al-Mannai ◽  
Abdelali Agouni
Keyword(s):  
Distance Learning ◽  
Public Health Emergency ◽  
Educational Process ◽  
Educational Technologies ◽  
Technology Enhanced Learning ◽  
Virus Spread ◽  
Control Virus ◽  
Learning Platforms ◽  
Enhanced Learning ◽  
Optimal Implementation

AbstractThe world is experiencing an unprecedented public health emergency owing to the COVID-19 pandemic. To control virus spread, many countries temporarily suspended classes. In this context, the availability of e-tools and distance learning platforms in higher education institutions has proven very useful to facilitate the emergency switch to distance learning to ensure continuity of the educational process. We discuss here the experience of the College of Pharmacy at Qatar University in responding to suspension of classes using available educational technologies. Furthermore, we provide some reflection points for optimal implementation of technology-enhanced learning into distance education for future academic years.

scholarly journals Controlling Virus Spread Using an Intermittent Quarantine Strategy on Multiplex Networks

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Xingguo Li ◽  
Xiaoping Luo ◽  
Yiwu Wang
Keyword(s):  
Information Transmission ◽  
Time Delays ◽  
Information Diffusion ◽  
Mean Field ◽  
Transmission Probability ◽  
Virus Spread ◽  
Spreading Dynamics ◽  
Control Virus ◽  
Optimal Information ◽  
Virus Spreading

Virus spreading on the Internet will negatively affect cybersecurity. An intermittent quarantine immunization strategy to control virus spreading when containing information diffusion is proposed herein. In this model, information and virus spread on different subnetworks and interact with each other. We further develop a heterogeneous mean-field approach with time delays to investigate this model and use Monte Carlo simulations to systematically investigate the spreading dynamics. For a relatively short intermittent period, the optimal information transmission probability of the virus will be significantly suppressed. However, when the intermittent period is extremely long; increasing the probability of information transmission can control the virus spreading as well as suppress the increase in the intermittent period. Finally, it is shown that the average degree of the two subnetworks does not qualitatively affect the spreading dynamics.

scholarly journals Knowledge, Attitudes, and Practices Toward COVID-19 Among Construction Industry Practitioners in China

2021 ◽  
Vol 8 ◽  
Author(s):  
Linzi Zheng ◽  
Ke Chen ◽  
Ling Ma
Keyword(s):  
At Risk ◽  
Body Temperature ◽  
Construction Industry ◽  
Social Distance ◽  
Questionnaire Survey ◽  
Preventive Measures ◽  
Virus Spread ◽  
Online Questionnaire ◽  
Attitudes And Practices ◽  
Knowledge Attitudes And Practices

The COVID-19 pandemic has put labor-intensive industries at risk, among which the construction industry is a typical one. Practitioners in the construction industry are facing high probabilities of COVID-19 transmission, while their knowledge, attitudes, and practices (KAP) are critical to the prevention of virus spread. This study seeks to investigate the KAP of construction industry practitioners in China through an online questionnaire survey conducted from 15 to 30 June 2020. A total of 702 effective responses were received and analyzed. The results revealed that: (1) although an overwhelming percentage of respondents had the correct knowledge about COVID-19, there were significant respondents (15% of all) who were unsure or wrong about the human-to-human transmission of the virus; (2) practitioners generally showed an optimistic attitude about winning the battle against the COVID-19 pandemic and were satisfied with the governments' contingency measures; (3) practitioners tended to actively take preventive measures, although checking body temperature, wearing face masks, and keeping safe social distance still needs to be reinforced. This research is among the first to identify the KAP of construction industry practitioners toward the COVID-19 pandemic in China. Results presented here have implications for enhancing strategies to reduce and prevent COVID-19 spread in the construction industry.

scholarly journals Seroreactivity to SARS-CoV-2 in individuals attending a university campus in Bogota Colombia

2021 ◽  
Author(s):  
John M Gonzalez ◽  
Juan Carlos Santos-Barbosa ◽  
Catherine Jaller ◽  
German Otalora ◽  
Luis J Hernandez ◽  
...  
Keyword(s):  
Viral Protein ◽  
Healthcare Workers ◽  
Serological Test ◽  
Previous Exposure ◽  
University Campus ◽  
Virus Spread ◽  
Igg Antibodies ◽  
Chemiluminescent Detection ◽  
Control Virus ◽  
The City

Most community-specific serological surveys for SARS-CoV-2 antibodies have been done in healthcare workers and institutions. In this study, IgG antibodies specific for the virus were evaluated in individuals working at one university in Bogota-Colombia. The aim of this work was to determine previous exposure to SARS-CoV-2 in those attending the campus during city lockdown. A total of 237 individuals including 93 women and 144 men were evaluated using chemiluminescent detection of IgG anti N-viral protein. There were 32 positives giving a seroprevalence of 13.5% (10 women and 22 men) and mostly asymptomatic (68.75%). Only 13 of the seropositive individuals had previous positive detection of SARS-CoV-2 RNA by RT-qPCR done in average 91 days before serological test. Seropositive individuals did not come from localities having higher percentages of SARS-CoV-2 cases in the city. Three cluster of seropositive individuals were identified. This survey was carried out after the first peak of SARS-CoV-2 transmission in the city, and before the preparedness to reopening the campus for students in 2021. These results will help to develop some of the strategies stablished to control virus spread in the campus.

scholarly journals Careta Inteligente de Protección Facial “SMART FACE SHIELD”

2020 ◽  
pp. 1-8
Author(s):  
Ricardo Jara-Ruiz ◽  
Ignacio Alejandro Montes-García ◽  
Marcos Emanuel Quezada-Muñoz ◽  
Luis Ángel Rodríguez-Padilla
Keyword(s):  
Social Distance ◽  
Social Impact ◽  
Health Sector ◽  
Face Mask ◽  
Research Process ◽  
Alert System ◽  
Current Health ◽  
Education And Health ◽  
Technological Tools ◽  
Health Situation

Considering the current health situation and the need for population health safety, this work presents the development of a prototype of an intelligent face mask for facial protection that contributes to the fight against the spread of the COVID-19 pandemic in the education and health sector; so it is visualized as an important opportunity for the development of technological tools that allow to contribute to solve a problem and generate a social impact. Due to the problems detected, the following actions are carried out for the implementation of a prototype capable of constantly monitoring body temperature and recommended social distance using an alert system, which is developed in three different stages where design and printing, electronics, programming and assembly are considered. During the research process it is determined that such devices will be required and present a promising future in this area of application, although it is known that there are alternatives but that require a greater process before their implementation.

Seeing Similarity or Distance?

2014 ◽  
Vol 45 (2) ◽  
pp. 127-134 ◽  
Author(s):  
Leigh Wilton ◽  
Diana T. Sanchez ◽  
Lisa Giamo
Keyword(s):  
Social Distance ◽  
Mixed Race ◽  
Racial Groups ◽  
Perceived Similarity ◽  
The Social ◽  
Intergroup Perception ◽  
Intergroup Perceptions ◽  
Racially Ambiguous ◽  
Ambiguous Faces

Biracial individuals threaten the distinctiveness of racial groups because they have mixed-race ancestry, but recent findings suggest that exposure to biracial-labeled, racially ambiguous faces may positively influence intergroup perception by reducing essentialist thinking among Whites ( Young, Sanchez, & Wilton, 2013 ). However, biracial exposure may not lead to positive intergroup perceptions for Whites who are highly racially identified and thus motivated to preserve the social distance between racial groups. We exposed Whites to racially ambiguous Asian/White biracial faces and measured the perceived similarity between Asians and Whites. We found that exposure to racially ambiguous, biracial-labeled targets may improve perceptions of intergroup similarity, but only for Whites who are less racially identified. Results are discussed in terms of motivated intergroup perception.

Replication of Experiments Evaluating Impact of Psychological Distance on Moral Judgment

2014 ◽  
Vol 45 (3) ◽  
pp. 223-231 ◽  
Author(s):  
Iris L. Žeželj ◽  
Biljana R. Jokić
Keyword(s):  
Moral Judgment ◽  
Social Distance ◽  
Psychological Distance ◽  
Temporal Distance ◽  
Construal Level ◽  
Systematic Effect ◽  
Replication Studies ◽  
Opposite Conclusion ◽  
Moral Transgressions ◽  
Replication Of Experiments

Eyal, Liberman, and Trope (2008) established that people judged moral transgressions more harshly and virtuous acts more positively when the acts were psychologically distant than close. In a series of conceptual and direct replications, Gong and Medin (2012) came to the opposite conclusion. Attempting to resolve these inconsistencies, we conducted four high-powered replication studies in which we varied temporal distance (Studies 1 and 3), social distance (Study 2) or construal level (Study 4), and registered their impact on moral judgment. We found no systematic effect of temporal distance, the effect of social distance consistent with Eyal et al., and the reversed effect of direct construal level manipulation, consistent with Gong and Medin. Possible explanations for the incompatible results are discussed.

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