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Objective:To explore the differences in laboratory indicators test results of coronavirus disease 2019 (COVID-19) and influenza A and to establish a differential diagnosis model for the two diseases, and to clarify the clinical significance of the model for distinguishing the two diseases. Methods :A total of 56 common COVID-19 patients and 54 influenza A patients were enrolled , and 24 common COVID-19 patients and 30 influenza A patients were used for model validation. The average values of the laboratory indicators of the patients 5 d after admission were calculated,and the elastic network model and the stepwise Logistic regression model were used to screen the indicators for identifying COVID-19 and influenza A. Elastic network models were used for the first round of selection,in which the optimal cutoff of lambda was chosen by performing 10-fold cross validations. With different random seeds,the elastic net models were fit for 200 times to select the high-frequency indexes ( frequency>90% ). A Logistic regression model with AIC as the selection criterions was used in the second round of screening uses;a nomogram was used to represent the final model;an independent data were used as an external validation set,and the area under the curve (AUC) of the validation set were calculate to evaluate the predictive the performance of the model. Results:After the first round of screening, 16 laboratory indicators were selected as the high-frequency indicators. After the second round of screening,albumin/ globulin (A/G),total bilirubin (TBIL) and erythrocyte volume (HCT) were identified as the final indicators. The model had good predictive performance , and the AUC of the verification set was 0. 844 (95% CI:0. 747-0. 941). Conclusion:A differential diagnosis model for COVID-19 and influenza A based on laboratory indicators is successfully established,and it will help clinical and timely diagnosis of both diseases.Copyright © 2022 Jilin University Press. All rights reserved.
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PurposeA proliferation of articles surrounding the COVID-19 pandemic is calling for new insights through review. This paper aims to bibliometrically analyze the current progress of research around hospitality and tourism to define the research directions on herd immunity and the prevention of disease under the "new normal.”Design/methodology/approachThis paper analyzed 326 articles regarding COVID-19 published in SSCI hospitality, leisure and tourism journals in 2020 and 2021 by combining manual analysis and bibliometrics to reveal research topics and to gain insight into research structures.FindingsThe results of this paper summarized topics related to stakeholders' mentality and behavior, responses of travel suppliers to the COVID-19 pandemic, economic impact and demand forecasting, social issues of human rights and racism and reflection on tourism and transformation of the industry. More research is called for in the future to focus on a better response to the crisis, including crisis management education and training and the improving the resilience of small- and medium-sized enterprises.Research limitations/implicationsA three-dimensional consideration was proposed to promote the sustainable development of hospitality and tourism.Originality/valueIn the "new normal” phase of herd immunity and disease prevention, to the best of the authors' knowledge, this is the first paper that provides an up-to-date systematic overview of the evolution of COVID-19 research in tourism and hospitality and encourages more conceptual, practical and futuristic studies.
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ASEAN is predicted to be the world's largest single market by 2030, after the US, China, and the EU. This study aims to discover research performance in all ASEAN countries, including identifying output levels, research focus, and influential authors in the region. The approach used in this study is a bibliometric analysis of publications indexed in the WoS database for the past two decades (2002–2021). Of the more than 20,000 documents analyzed, it was indicated that each ASEAN country has exclusive and non-exclusive keywords. Singapore has the highest number of citations among the other ASEAN countries.
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Background: The literature supporting telehealth management is growing accelerated by the COVID-pandemic. We hypothesize that there are risks of adverse events associated with telehealth interventions. Methods: A review of PubMed (including MEDLINE), Embase, ISI (Web of Science), VHL/GHL, Scopus, Science Direct, and PsycINFO was conducted for all adverse events associated with telehealth from January 1, 1960 to March 1, 2021. This systematic review and meta-analyses were conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Results: Of 5,144 citations 78 published studies met criteria for quality evaluation and underwent full text ion including the qualitative synthesis. Of the 78 included studies 8 were included in the quantitative synthesis resulting in 2 meta-analyses. The results of the meta-analysis suggest that monitoring patients using telehealth techniques is associated with 40% lower mortality risks among patients suffering from heart failure, compared to those who received traditional care. The results of the random-effects meta-analysis showed the pooled relative risk of mortality to be 0.60, indicating that patients that underwent telemonitoring had a lower mortality risk compared with the patients that underwent usual care. Among patients with heart implants, patients who received telemonitoring had a 35% lower mortality risk compared to patients receiving traditional care. Conclusions: While RCTs of telehealth interventions demonstrate enhanced patient outcomes in a number of studies and pave the way to evidence-based practice, the heterogeneity of the research questions suggest an important need for more complementary studies with consistent outcome assessments.
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Context: COVID-19 is linked to substantial increases in morbidity and mortality around the globe. Cardiovascular disease (CVD), diabetes, hypertension, and obesity are all risk factors for a more severe case of COVID-19 and an increased risk of death. The purpose of this research was to demonstrate a link with covid19 and the development of cardiovascular disease in previously healthy covid patients. From June 2021 to June 2022, a cross-sectional observational research was carried out at the National Heart Institute in Egypt. Patients with covid-19 linked to cardiovascular disorders made about 20% of the sample, which comprised 200 hospital inpatients. The outcomes were as follows: 79 patients (39.5% of the total) experienced bleeding, 65 patients (32.5% of the total) experienced HF, 21 patients (10.5% of the total) experienced stroke, 10 patients (5%) experienced TIA, 21 patients (10.5% of the total) experienced tachycardia, 14 patients (7% of the total) experienced VA, 12 patients (6% of the total) experienced bradycardia, 11 patients (5.5%) experienced AF, 25 patients (12.5% of Of the 121 patients diagnosed with MI, 121 (or 60.5%) died before receiving PCI. Our research shows that Covid-19 is linked to preexisting cardiovascular illness. Among COVID-19 patients with cardiovascular problems, age, smoking, high blood pressure, diabetes, chronic obstructive pulmonary disease, and chronic kidney disease are all strong independent predictors of death. Patients with covid -19 who develop MACE or HF have an increased risk of dying. [ FROM AUTHOR] Copyright of Journal of Cardiovascular Disease Research (Journal of Cardiovascular Disease Research) is the property of Journal of Cardiovascular Disease Research and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full . (Copyright applies to all s.)
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Research activities in interaction design and HCI were widely altered by the COVID-19 pandemic, with many studies shifting online as health concerns inhibited in-person research. Tangible and collaborative activities are often used in informal learning spaces and child-computer interaction, but they are neither designed for nor easily adapted to online formats. In this case study, I present findings and reflections on my experience adapting an in-situ study of embodied, collaborative museum exhibits to a remote user study during COVID-19. I identify several considerations and notes of inspiration for researchers working on similar projects, which I hope can aid in furthering iterative design research on embodied and/or collaborative activities both during the ongoing pandemic and in other current and future contexts that require remote research or interactions. The reflections I present in this case study additionally play a role in documenting the ongoing history of interaction design as researchers adapt to the rapidly changing global circumstances caused by COVID-19. © 2023 Owner/Author.
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PurposeThis study aims to reveal the topic structure and evolutionary trends of health informatics research in library and information science.Design/methodology/approachUsing publications in Web of Science core collection, this study combines informetrics and content analysis to reveal the topic structure and evolutionary trends of health informatics research in library and information science. The analyses are conducted by Pajek, VOSviewer and Gephi.FindingsThe health informatics research in library and information science can be divided into five subcommunities: health information needs and seeking behavior, application of bibliometrics in medicine, health information literacy, health information in social media and electronic health records. Research on health information literacy and health information in social media is the core of research. Most topics had a clear and continuous evolutionary venation. In the future, health information literacy and health information in social media will tend to be the mainstream. There is room for systematic development of research on health information needs and seeking behavior.Originality/valueTo the best of the authors' knowledge, this is the first study to analyze the topic structure and evolutionary trends of health informatics research based on the perspective of library and information science. This study helps identify the concerns and contributions of library and information science to health informatics research and provides compelling evidence for researchers to understand the current state of research.
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Introduction: The aim of this research is to analyze how COVID-19 was studied by the academic discipline of journalism, regarding its impact, methodology, thematic and source, and their repercussions on sites. Methodology: A universe of 124 articles is obtained through algorithmic grouping by InCites (journalism micro topic, Spanish affiliation, and COVID-19 keyword). A bibliometric analysis is performed, accompanied by a qualitative content analysis to generate common codes in methodology, themes, and use of sources. Quantitative analysis of co-occurrence and descriptive correlations between the three variables studied and their citations are carried out. Results: Articles on COVID-19 received five times more citations than the rest. The majority of cites (86%) are concentrated in the first-published articles. Classic methodologies were mostly used (49% content analysis, 16% surveys). Bibliographic review (13 cites/article) and advanced automated analysis techniques (10.75 cites/article) are the ones that receive the most citations. The main theme is disinformation (26%, 11,07 cites/article) and the most common source is the press (27%, 6,15 cites/article), although social networks (22%, 9.12 cites/article) and fact-checkers (10%, 8.50 cites/article) generated a greater impact. Discussion and Conclusions: The articles that were published during the first months generated the highest volume of citations. In journalism research, a recurrent use of classic strategies (content analysis, press) was found, although the slightly more novel approaches (advanced automated analysis techniques) are the ones that produced the most citations. Misinformation becomes one of the key issues in journalism studies. Unusual methodologies and themes receive practically no citations.Alternate :Introduction: Se analiza el impacto y el modo en el que la disciplina académica del periodismo investigó sobre el COVID-19 y su repercusión metodológica, temática y de fuentes. Metodología: Se obtiene un universo de 124 artículos mediante agrupación algorítmica por InCites (micro tópico periodismo, afiliación española y palabra clave COVID-19). Se procede a un análisis bibliométrico, acompañado por un análisis de contenido cualitativo para generar códigos comunes en metodología, temática y uso de fuentes. Se realizan análisis cuantitativos de co-ocurrencia y correlaciones descriptivas entre las tres variables estudiadas y sus citas. Resultados: Los artículos sobre COVID-19 recibieron cinco veces más citas que el resto, y la mayoría (86%) se concentran en los primeros artículos. Se emplearon mayormente metodologías clásicas (49% análisis de contenido, 16% encuestas). La revisión bibliográfica (13 citas/ artículo) y las técnicas avanzadas de análisis automático (10,75 citas/artículo) son las que reciben más citas. La temática principal es la desinformación (26%, 11,07 citas/artículo) y la fuente más común la prensa (27%, 6,15 citas/artículo), si bien generan más impacto las redes sociales (22%, 9,12 citas/ artículo) y los fact-checkers (10%, 8,50 citas/artículo). Discusión y Conclusiones: Los artículos que primero se publicaron generaron más citas. Se identificó un uso recurrente de estrategias clásicas (análisis de contenido, prensa) si bien son las aproximaciones ligeramente más novedosas (técnicas avanzadas de análisis automático) las que producen más citas. La desinformación deviene uno de los temas claves. Las metodologías y temáticas poco comunes no reciben prácticamente citaciones.
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In this way, the present study found a central and grouped structure in two dimensions of pressure and identity of entrepreneurship in the face of COVID-19 Delimitation to three dimensions of analysis corresponding to opportunities, optimizations and innovations is recommended. The literature from 2019 to 2022 on entrepreneurship suggests a network structure between nodes and edges on the opportunities that the pandemic opened up for the discussion of entrepreneurship as a response to the health, economic and social crisis [3]. The premises that guide this work suggest that the pandemic limited entrepreneurial opportunities and opened up process innovations, as well as resource optimization [9]. [...]the differences between the theoretical structure and the observed network will open the discussion about the pandemic and its effects on the reactivation of the economy [11]. Discussion The contribution of this work to the state of the art consists in the establishment of a model of entrepreneurship networks based on the findings of the literature from 2019 to 2022.
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PURPOSE: To assess how previous experiences and new information contributed to COVID-19 vaccine intentions. DESIGN: Online survey (N = 1264) with quality checks. SETTING: Cross-sectional U.S. survey fielded June 22-July 18, 2020. SAMPLE: U.S. residents 18+; quotas reflecting U.S. Census, limited to English speakers participating in internet panels. MEASURES: Media literacy for news content and sources, COVID-19 knowledge; perceived usefulness of health experts; if received flu vaccine in past 12 months; vaccine willingness scale; demographics. ANALYSIS: Structural equation modelling. RESULTS: Perceived usefulness of health experts (b = .422, P < .001) and media literacy (b = .162, P < .003) predicted most variance in vaccine intentions (R-squared=31.5%). A significant interaction (b = .163, P < .001) between knowledge (b = -.132, P = .052) and getting flu shot (b = .185, P < .001) predicted additional 3.5% of the variance in future vaccine intentions. An increase in knowledge of COVID-19 associated with a decrease in vaccine intention among those declining the flu shot. CONCLUSION: The interaction result suggests COVID-19 knowledge had a positive association with vaccine intention for flu shot recipients but a counter-productive association for those declining it. Media literacy and trust in health experts provided strong counterbalancing influences. Survey-based findings are correlational; thus, predictions are based on theory. Future research should study these relationships with panel data or experimental designs.
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This study aims to explore the potential for tourist scams that have occurred in the tourism industry. This research uses a bibliometric system. The data source comes from Scopus and SINTA indexed papers. The number of documents used is 110 papers. Based on the results of the study shows that there are 28 tourist scam schemes. Of the 28 schemes, price scams are the most common schemes in 48 papers. Other methods, such as corruption (38 documents), service scams (34 articles), fake products/souvenirs (23 articles), and food scams (30 papers). Meanwhile, in Indonesia, there were 17 tourist scam schemes found.
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2020 (Introduction) Jennifer C. Nash and Samantha Pinto 125 Abolish Marisol LeBrón 128 Asynchronous Monica L. Miller 134 COVID Silver Linings Ann Cvetkovich 139 Essential Worker Julie Livingston 144 Food-in-Place (Shelter-in-Place) Psyche Williams-Forson 148 Mask Ruha Benjamin 151 Mutual Aid Christina Hanhardt 152 PPE Harris Solomon, Neelima Navuluri, Charles W. Hargett, Peter S. Kussin 158 Risk Factor Noémi Tousignant 163 Social Distancing Joshua Chambers-Letson 169 Stay at Home Tiana Reid 175 Supply Chain Management Miriam Posner 178 Synchronous Racquel Gates 181 Wave/Forest Fire Sari Altschuler 187 Zoom Gayle Wald 192 Zoonosis (Virus) Banu Subramaniam 196 2020 Jennifer C. Nash and Samantha Pinto Academic projects are often born from desire. Essential workers—disproportionately Black and Brown—were ordered to continue working, while others began "panic baking" and "panic shopping" (the disappearance of flour, yeast, and toilet paper from grocery stores marked the first quarter of the year).1 While some buried their dead in anguish and isolation,2 others purchased real estate, thanks to record-low interest rates and new demands for more space as houses were transformed into offices and schools.3 In some ways, this is a quintessentially American story—the variety of ways that crisis is experienced and inhabited, with the starkest and most deathly outcomes reserved for those most precarious as the capitalist machine keeps rolling along. Bleeding into 2021, crisis and critique have merged into a lexicon that is repeated, rehearsed, rehashed, remade.5 These terms have become part of a collective vocabulary, a shared index for describing the relentless conditions of the present, even as that present is experienced and endured differently. Media has obsessively reported that this is a crisis that mostly women are bearing, but universities have done far too little to recognize these facts on the ground for caretakers, including the return to in-campus teaching when vaccines are not available for children under twelve.6 We name this as two senior scholars, keenly aware of how "home-schooling" disproportionately affects junior women scholars and primary caretaker colleagues navigating the dual demands of tenure and caregiving. [...]the same is true of race, as institutions have begun diversity trainings, hired diversity coordinators, promised diversity cluster hires, and launched university-wide reckonings with race and "DEI."
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Featured ApplicationThe present cross-sectional analysis aimed to evaluate the level of interest in oral and dental needs and teledentistry applications among the elderly, as well as whether COVID-19 pandemic outbreaks were influenced by real-time surveillance, using Google Trends. As the number of elderly dental patients continues to increase, there is a growing need for specific interventions that address the biological and psychological issues of this population. Teledentistry represents a healthcare delivery system that can overcome these problems, although the oral and dental care provision methods involved are still unknown to most people. Indeed, there is a need to raise awareness of the indications for teledentistry, the available interventions, and the potential benefits for the oral and dental care of elderly patients.Considering the increasing need for oral and dental care in the elderly, teledentistry has been proposed to improve the education of elderly patients in oral health maintenance and risk factor control, identify patients' concerns in advance, facilitate monitoring, and save time and money. The present cross-sectional analysis of Google search data through real-time surveillance with Google Trends aimed to determine Google users' interest in oral and dental needs and teledentistry applications in the elderly, and to compare search volumes before and after the COVID-19 outbreak. Extracted CVS data were qualitatively analyzed. Pearson and Spearman correlation analyses were performed between searches for "elderly” and "teledentistry”, and all the oral and dental needs and teledentistry applications. The Mann–Whitney U test compared search volumes in the 36 months before and after the beginning of the COVID-19 pandemic. Google users' interest in the elderly and related oral and dental needs was diffusely medium–high, while teledentistry and its applications were of lower interest. Interest in teledentistry and its applications was strongly related to interest in the older population, which is consistent with the assumption that older adults represent the population segment that could benefit most from these tools. A positive correlation was also found between searches for "Elderly” and searches for almost all oral and dental needs typical of the geriatric population. Search volumes increased significantly after the outbreak of the COVID-19 pandemic. More information about teledentistry should be disseminated to increase knowledge and awareness, especially among older patients, about its indications, applications, and advantages.
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Theory of Intellectual Capital The principles that g=uide the rational choice lie in the tastes and preferences crystallizing objectives of the actors (Sanchez, 2020). [...]before taking any decision binding preferences strategies, achieve collect information that will determine the election. Studies of Intellectual Capital If rational choice is brewing from preferences based on information available to determine tastes and objectives, the prospective attitude suggests that the absence of information creates uncertainty that determines risk aversion or waiver of certain gains and risk appetite when losses are imminent. [...]the utility, benefit or happiness crystallizes into losses or gains, circumventing the process of rational choice and legitimizing an irrational choice. [...]a prospective is more than a decision lies in attitude and expectation of risk or certainty to gains and losses in the immediate future. [...]an overview of the environment, their demands and opportunities conducive categories of accessible and abundant availability of information that will influence a spendthrift behavior such as believing that jobs, wages and financial credits significantly increase (Moreno, 2019).
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As a result of the COVID-19 pandemic and the major challenges generated in education, thousands of scientific papers have been published, contributing to the establishment of a distinct research line in the field. This study provides a bibliometric overview of the educational publications linked to COVID-19 indexed by the Web of Science Core Collection for the years 2020 and 2021. The findings show a growing interest of researchers in education in this area. The proportion of articles among the types of documents proved to be dominant. Journals dedicated to chemistry and medical education stood out for the high number of pandemic-related papers. Higher education has been an intensively explored area during the pandemic. The USA and its universities were the most productive in publishing studies on COVID-19 in education. Our study indicated research themes that have been explored by the researchers, such as online learning in different educational settings, curriculum and instructional approaches in the online learning setting, and the psychological consequences of COVID-19 on the educational actors. The implications of the pandemic on potential research avenues for education research were also emphasized.
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In this article, the author carries out a communicative and pragmatic analysis of texts and a stylistic analysis of the keywords of religious discourse. The object of the research is the discourse of the Greek Catholic Church in Slovakia. The subject of the research is the keywords and main topics in the corpus of Archbishop Milan Chautur's publications on social networks. The research methodology is based on the principles of discourse analysis, computational linguistics, linguistics 2.0, and quantitative linguistics. To realise the purpose of the research, the author uses the linguistic tool Sketch Engine, a fourth-generation concordancer, which provides quick search and statistical processing of data. For the corpus, the author refers to material from Chautur's Internet messages in the profile named "Vladyka Milan odpoveda" (Vladyka Chautur responds) over one year of the pandemic, i. e., between 2020 and 2021. Using the Simple Maths method, the author extracts keywords based on two corpora - the main one (created by the user) and the background one (built into the system). Vladyka's web-communication fits the modern trend of active communication through social networks, where it is not only used by representatives of the secular world, but also by the clergy. Considering the fact that the background corpus of Slovak Web 2011 (skTenTen11) is a language model, the author singles out the following keywords: isus (Jesus), Christ (Christ), pandemia (pandemic), kovid (Covid), bohorodicka (Virgin Mary), cerkov (Church), vakcinacium (vaccinacium), and eparchia (diocese). These words have the highest coefficient of semantic similarity (Score) of wordsfrom the studied and background corpora. Using the linguistic criterion for isolating keywords, it is possible to single out the cognitive components of the archbishop's discursive field, such as discursive dominants: human life, the Church on earth and in heaven, family.
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PurposeThe COVID-19 pandemic creates inefficiencies in the health-care system by having devastating consequences. It has demonstrated how inefficiencies in the health system can have a significant impact on social cohesion, economic growth and public confidence in government. The main purpose of this study is to explore the contemporary challenges faced by the pharmaceutical industry in Europe.Design/methodology/approachThis study used a systematic literature review method and adopted inclusion and exclusion criteria after constructive reviews of articles from Web of Science and Scopus databases along with the ranked journals in the Chartered Association of Business Schools to search the following key terms "challenges in the European pharmaceutical industry” during the period from 2011 to 2022. The terms are set to be searched in the publications' titles, s and keywords.FindingsThis study reviewed 57 papers, and the systematic review revealed the vulnerability of the European pharmaceutical industry, such as the default patent system, ineffective research and development, debate on the role of alliances, low level of expertise in the European health-care system, pharmaceutical supply chain management and other issues.Research limitations/implicationsThis study suggests that future research may explore the challenges of multisectoral and cross-country perspectives to get a better understanding, and for the long-term sustainability of public pharmaceutical spending, new models of enhancing research investments are needed, and Europe can still play a leading role in its tradition structure within capturing innovative ideas.Practical implicationsIt provides new useful insights to policymakers, global leaders and managers to devise policies to achieve a performance-oriented culture in their institutions and firms.Social implicationsThe pharmaceutical sector has recognized the influence of social determinants of health. It moves toward sustained sound health of people to have a flourishing pharmaceutical sector.Originality/valueThere is an insufficient study on the contemporary challenges of the European pharmaceutical industry. This study presents the argument that earlier studies ignored the contemporary issues facing the European pharmaceutical industry from a comprehensive and wider angle. In addition, the COVID-19 pandemic is a recent occurrence, and it causes inefficiency in the health-care sector, where the pharmaceutical industry plays a crucial role;importantly, this topic is emerging and underresearched in the existing literature. There is also a lack of systematic literature review studies in this field.
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The COVID-19 pandemic has affected various sectors in multiple countries, among them the economic sector has been one of the most affected, so the search for tools or measures for the continuation of sales and processes became recurrent, finding in e-business and its components precise tools to counteract the situation. Therefore, the present research aims to analyze the impact of the COVID-19 pandemic on the use, growth, and development of e-business by conducting a systematic literature review using the PRISMA methodology, collecting scientific articles covering the period of the pandemic from databases such as IEEE Xplore, ScienceDirect, Scopus, EBSCO, and IOPScience. Despite the limitations in access to scientific articles, it could be concluded that within the main characteristics identified, e-business tools in general allowed many businesses to continue subsisting and making sales thanks to the increase in online users due to the COVID-19 lockdowns. Although it was identified that the adoption of these tools lacked policies, limitations, and supports from governments, the perception of their use was positive in that they were considered safe and efficient.
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With COVID-19, significant life events can alter how individuals perceive and employ transportation systems. The COVID-19 pandemic has disrupted people's lives for a considerable time and may impact how people see travel and use transportation services. Due to the COVID-19 pandemics' severe physiological and psychological effects and ongoing financial difficulties, critical personnel must continue traveling for necessary tasks. The main aim of this study was to explore the use of taxi services after the Covid 19 pandemic perceived by travelers and commuters. To analyze the factors that influenced how people behave while using taxis for necessary travel during the COVID-19 restrictions imposed in Makkah, Madinah, Riyadh, and other Saudi Arabian cities. Between October 30 and December 15, 2021, 524 Saudi travelers participated in the online questionnaire assessment. Respondents' attitudes, perceptions, and attentiveness regarding taxi services after the lockdown were measured using a categorical scale. Statistical analysis was performed using the IBM SPSS-20 version and the Chi-Square, Phi, and Cramer's V tests to analyze were applied. The results of this study revealed how the COVID-19 outbreak caused some people to rethink their travel. This allows behavior-change approaches to target motives, challenges, and attitudes about changing travel options. © 2023, World Scientific and Engineering Academy and Society. All rights reserved.
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PurposeThis study aims to draw attention to consumers' behaviours which are changing on account of the COVID-19 pandemic, provide an understanding of the factors influencing these behaviours and emphasise their importance in building contemporary business models for the restaurant industry. The article is a case study of the Polish restaurant sector based on a comparison with the worldwide literature.Design/methodology/approachA study of the current literature on the subject pertaining to the issues discussed, an analysis of them, mainly by examining trade reports, with a special focus on the following databases (BDL GUS, CBOS, IGGP PKD) and foreign references, as well as Internet sources, using the systematic (structured) literature review (SLR) method. The authors searched the databases between May 2020 and May 2022, paying attention to the following keywords: COVID-19, consumer behaviours, food services, market segmentation, Poland.FindingsThe analysis allowed the authors to identify the most important factors influencing consumer behaviour under the influence of the COVID-19 pandemic. This in turn enabled them to verify a hypothesis concerning the significant impact of the COVID-19 pandemic on consumers' behaviours on the food service market. Results from an analysis of trade reports and from a literature review confirm the hypothesis proposed, leading to the conclusion that the contemporary reality in Poland currently requires businesses to continuously monitor consumers' behaviours in a turbulent and uncertain environment.Research limitations/implicationsThe systematic identification of changes taking place in consumers' behaviours will make it possible to adapt a portfolio of services to changes observed in this regard.Practical implicationsThe analysis conducted by the authors in 2021 to examine trends in consumer behaviours proved that changes affecting their thinking were undoubtedly accelerated by the pandemic of a contagious disease – COVID-19.Originality/valueSome consumer trends that appear to be a response to limits and restrictions may be observed for a longer period of time. Therefore, those restaurant owners who want to successfully go through the stage of adaptation to the new reality will have to focus, in the short term, on actions designed to identify their customers' needs and expectations anew and tailor their business models and offer accordingly.