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Safe traveling in public transport amid COVID-19.

ABSTRACT: Several intensive policies, such as mandatorily wearing masks and practicing social distancing, have been implemented in South Korea to prevent the spread of the novel coronavirus disease (COVID-19). We analyzed and measured the impact of the aforementioned policies by calculating the degree of infection exposure in public transport. Specifically, we simulated how passengers encounter and infect each other during their journeys in public transport by tracking movements of passengers. The probabilities of exposure to infections in public transport via the aforementioned preventive measures were compared by using the Susceptible, Exposed, Infected, and Recovered model, a respiratory infectious disease diffusion model. We determined that the mandatory wearing of masks exhibits effects similar to maintaining 2-m social distancing in preventing COVID-19. Mandatory wearing of masks and practicing social distancing with masks during peak hours reduced infection rates by 93.5 and 98.1%, respectively.

SUBMITTER: Ku D

PROVIDER: S-EPMC8535823 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature

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Safe traveling in public transport amid COVID-19.

Ku Donggyun D Yeon Chihyung C Lee Seungjae S Lee Kyuhong K Hwang Kiyeon K Li Yuen Chong YC Wong Sze Chun SC

Science advances 20211022 43

Several intensive policies, such as mandatorily wearing masks and practicing social distancing, have been implemented in South Korea to prevent the spread of the novel coronavirus disease (COVID-19). We analyzed and measured the impact of the aforementioned policies by calculating the degree of infection exposure in public transport. Specifically, we simulated how passengers encounter and infect each other during their journeys in public transport by tracking movements of passengers. The probabi ...[more]

PMID: 34678065

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Project description:ObjectivesThe emergence of the coronavirus disease 2019 (COVID-19) and subsequent pandemic has led to the most substantive large-scale, open, and public social discussion of epidemiology and science in recent history. In the United States (US), extensive debate has ensued as to the risk posed by the disease, whether the health system is prepared to manage a high volume of critical cases, whether any number of public health responses are necessary and appropriate, and the appropriate ways to prevent, manage, and treat the pandemic. I hypothesized that the interplay between scientists, policymakers, and the public in an open forum was associated with increased overall public trust in science and scientists, but that this was moderated by political orientation and/or religious commitment. In the context of a public health emergency, it is important to understand the degree to which science and scientists are trusted to produce information that can provide reassurance and also can explain the details of a highly complex event such as a viral pandemic while providing actionable recommendations.Study designThe study design was analytic cross-sectional.MethodsData were obtained on March 17-18, 2020, from a sample of 242 US-based Amazon Mechanical Turk users. Respondents completed a 49-question survey consisting of key sociodemographic variables, political affiliation, religious commitment, and two iterations of the Trust in Science and Scientist Inventory (one for March 2020, and one for December 2019 using retrospective recall). Changes in mean level of trust and interaction with political affiliation and/or religious commitment were assessed using mixed ANOVA via the general linear model.ResultsOn a scale from 1 (low trust) to 5 (high trust), the mean level of trust in science and scientists was static; 3.82 in December 2019 and 3.81 in March 2020. Conservative political orientation and high religious commitment were associated with significantly less overall trust in science; the interaction effect suggested that liberal trust in science decreased slightly from December 2019 to March 2020, whereas conservative trust increased slightly.ConclusionsCounter to my expectations, the overall level of trust in science remained static after the first several months of COVID-19 in the US, although there is some evidence that political orientation was associated with magnitude and directionality of change in trust. Continued examination of these trends is important for understanding public response to epidemiologic recommendations.

Project description:ObjectiveBased on regulatory focus theory, it was predicted that there would be a relationship between regulatory focus, health-related perceived risk of using public transport during COVID-19, and choice of public transport mode.MethodThe study focused on choice between demand responsive transport (DRT), and more traditional modes of public transport, buses and private taxis. Participants completed online questionnaires to measure chronic regulatory focus, perception of health-related risk of using public transport, and choice of public transport mode (choice between buses and DRT, and separately, between taxis and DRT).ResultsThe choice between buses and DRT is explained by moderation. The relationship between promotion focus and choice is moderated by risk perception whereas the relationship between prevention focus and choice is moderated by age. Specifically, the probability of choosing DRT is smaller for those saying DRT is riskier (relative to bus is riskier), and the effect gets stronger with increasing strength of promotion focus. Furthermore, the probability of choosing DRT increases with increasing strength of prevention focus for individuals older in age, but decreases with increasing strength of prevention focus for those younger in age. The choice between taxis and DRT is explained by mediated-moderation. The relationship between promotion focus and choice is moderated by age and mediated by risk perception. Specifically, the probability of saying that DRT is riskier than taxis decreases with increasing strength of promotion focus for individuals older in age. As a result, the probability of choosing DRT increases with increasing strength of promotion focus for older people. Moreover, the probability of saying that DRT is riskier than taxis increases with increasing strength of promotion focus for individuals younger in age. As a result, the probability of choosing DRT decreases with increasing strength of promotion focus for younger people. Implications for transport and health are discussed.

Project description:The corona virus disease pandemic (COVID-19) is one of the recent issues that spread in the world, which disrupted life, impacted the economy, and led to heavy losses, whether for government sectors or private companies. This paper focuses on the Kuwait public transport company KPTC and Kuwait Airways' experience during the pandemic, since they incurred major losses due to the decline of their users. Public transport is a place to catch COVID-19, as it is subjected to the use of a large number of passengers daily within a small closed environment. The causes that led to the spread of the virus among public transport users and develop solutions to limit its spread and preserve public transport pioneer's safety were discussed in the paper. Additionally, the environmental impact resulting from the reduction of public transportation using was also addressed. Data was obtained from the KPTC, Kuwait Airways office, the Ministry of Health (MOH) database, and the Environment Public Authority (EPA) database. A questionnaire was distributed to public transport users to determine the reasons for the decline in its user's number and their aspirations to reconsider their use and ensure their satisfaction. For airplane data, the risk of importation of COVID-19 was calculated. For KPTC data, COVID-19 impact on the emissions generated per passenger-km was computed where the emissions were estimated by MOVES. The survey responses were statically analyzed using the chi-square test on the SPSS program, and they were compared to numerical analysis results. The results showed the impact of COVID-19 on people's willingness to use public transportation which was associated with the increase in the number of buses to implement social distancing has negatively affected the environment. Thus, a comprehensive strategy solution was presented consisting of three basic approaches: providing a healthy, risk-free environment for public transportation users, achieving social distancing at a low cost to offset the losses, and ensuring a healthy environment.

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Safe traveling in public transport amid COVID-19.

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Safe traveling in public transport amid COVID-19.

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