Understanding and managing pandemic-related panic buying.

Pandemics are associated with panic buying (PB) of groceries and other supplies. During the COVID-19 pandemic, community leaders expressed frustration and bewilderment about PB. Psychological explanatory concepts, including those from social learning theory and the concept of the behavioral immune system, along with recent research, suggests the following account of pandemic-related PB. PB arises when people are told to go into self-isolation as part of pandemic containment interventions. Empirically, episodes of PB typically last 7-10 days and are likely initiated by highly fearful people. PB by an anxious minority of shoppers leads to fear contagion among other shoppers, amplified by widespread dissemination, via social media, of images and videos of PB and empty shelves in stores. Thus, a snow-balling effect arises where fear of scarcity creates real but short-term scarcity. People who are highly frightened of infection tend to have heightened disgust proneness. Toilet paper is a means of escaping disgust stimuli, and for this and other reasons, toilet paper became a target of PB for people frightened of contracting COVID-19. Exploitative or selfish over-purchasing also occurred, motivated by "dark" (e.g., psychopathic) personality traits. "Don't panic!" messages from community leaders were ineffective or counter-productive. Alternative forms of messaging are discussed.

Prevalence and Associations between Anxiety, Depression, and Stress among Peruvian University Students during the covid-19 Pandemic / Prevalencia y asociaciones de ansiedad, depresión y estrés en estudiantes universitarios peruanos durante la pandemia de covid-19 / Prevalência e associações de ansiedade, depressão e estresse em estudantes universitários peruanos durante a pandemia de covid-19

The pandemic has brought about social changes, which may have affected mental health.The purpose of this study was to determine the prevalence of and associations between anxiety, depression, and stress among Peruvian university students during the covid-19 pandemic. Materials and Methods: This was an analytical, multi-centered, cross-sectional study conducted with 2,572 university students from 16 Peruvian cities. Depression, anxiety, and stress diagnoses were obtained with the dass-21 scale (stress alpha: 0.85; anx-iety alpha: 0.84; and depression alpha: 0.87). The values were crossed with significant social and educational variables. Results: Anxiety was the most common condition (extremely severe in 4 %, severe in 3 %, and mod-erate in 10 %). Whereas stress and depression were not associated with the course of studies (p > 0.330 and p > 0.440, respectively), anxiety was lower among students pursuing health-related degrees (p = 0.011). Women showed higher levels of stress (p = 0.040) and anxiety (p = 0.017). Older participants had relatively lower stress (p = 0.002), depression (p = 0.006), and anxiety (p = 0.044) levels. Third-year students had higher depression levels than first-year students (p = 0.011). Conclusions: Significant prevalence levels and associations were identified for the three conditions, which should be monitored to determine their current status, given the possible future occurrence of panic attacks or post-traumatic stress, among other complications.

la pandemia vivida obligó a cambios sociales que pudieron influir en la salud mental. El objetivo fue determinar la prevalencia y asociaciones de ansiedad, depresión y estrés en estudiantes universitarios peruanos durante la pandemia por covid-19. Materiales y métodos: estudio transversal analítico y multicéntrico, en 2572 estudiantes universitarios de 16 ciudades de Perú. Los diagnósticos de depresión, ansiedad y estrés se obtuvieron con la escala dass-21 (alfa estrés: 0.85; alfa ansiedad: 0.84 y alfa depresión: 0.87). A estos se los cruzó con importantes variables socioeducativas. Resultados: la ansiedad fue la patología más frecuente (4 % de forma extrema severa, 3 % de forma severa y 10 % de forma mode-rada); el estrés y la depresión no tienen asociación con la carrera profesional (p > 0.330 y p > 0.440, res-pectivamente); en cambio, la ansiedad fue menor en los estudiantes de carreras de salud (p = 0.011). Las mujeres tuvieron más estrés (p = 0.040) y ansiedad (p = 0.017). A mayor edad, hubo menos estrés (p = 0.002), depresión (p = 0.006) y ansiedad (p = 0.044). Los de tercer año tuvieron más depresión en comparación con los de primer año (p = 0.011). Conclusiones: existen importantes prevalencias y asociaciones de las tres patologías evaluadas, lo que debe ser monitorizado según como están actualmente. Esto por las posibles futuras manifestaciones de crisis de pánico, estrés postraumático, entre otras.

a pandemia que estamos vivenciando forçou mudanças sociais, que podem influenciar na saúde mental. O objetivo do estudo é determinar a prevalência e associações de ansiedade, depressão e estresse em estudantes universitários peruanos durante a pandemia de covid-19. Materiais e métodos:estudo transversal analítico e multicêntrico, com 2572 estudantes universitários provenientes de 16 cidades do Peru. Os diagnósticos de depressão, ansiedade e estresse foram obtidos com a escala dass-21 (Alpha para estresse: 0,85; Alpha para ansiedade: 0,84 e Alpha para depressão: 0,87), estes foram cruza-dos com importantes variáveis socioeducativas. Resultados: a ansiedade foi a patologia mais frequente (4 % em sua forma extremamente grave, 3 % forma grave e 10 % forma moderada); estresse e depressão não foram associados à carreira profissional (p > 0,330 e p > 0,440, respectivamente); por outro lado, a ansiedade foi menor nos estudantes da carreira da saúde (p = 0,011). As mulheres apresentaram mais estresse (p = 0,040) e ansiedade (p = 0,017); quanto maior a idade houve menos estresse (p = 0,002), depressão (p = 0,006) e ansiedade (p = 0,044). Estudantes do 3º ano apresentaram mais depressão em comparação aos do 1º ano (p = 0,011). Conclusões: existem prevalências e associações importantes entre as três patologias avaliadas, que devem ser monitoradas de acordo com a forma como se encontram atualmente. Isso se deve às possíveis manifestações futuras de ataques de pânico, estresse pós-traumá-tico, entre outras complicações.

How to be a hospital psychologist in the covid-19 pandemic in Brasil? A documental research / Como ser psicólogo hospitalar na pandemia de covid-19 no Brasil? Uma pesquisa documental

Resumo Com alta transmissibilidade e demanda por atendimento hospitalar, a covid-19 teve impactos (como ansiedade, medo e insegurança) sobre o equilíbrio psicológico de pacientes, seus familiares e profissionais da saúde. Diante disso, o objetivo deste artigo é mapear intervenções psicológicas no contexto hospitalar frente à covid-19, a fim de subsidiar a constituição de protocolos. Observou-se que visitas virtuais, trabalho de luto antecipatório e técnicas de psicoeducação, através de psicoterapia breve, mostram-se necessários dentro do contexto de unidades fechadas, Unidades de Terapia Intensiva (UTIs) e emergências, como forma de enfrentamento que permite a elaboração de sentimentos, como medo, angústia e ansiedade. Para ambulatórios, destacam-se os plantões psicológicos, através de videochamadas, de demanda espontânea, além de encaminhamento para psicoterapia externa, voltados a profissionais com sintomas de pânico, ansiedade, depressão e exaustão. Mesmo com intervenções psicológicas originadas a partir desse contexto, evidencia-se a falta de protocolos com abrangência nacional e eficazes para o ambiente hospitalar, tanto para pacientes e familiares como para profissionais que atuam diretamente com o vírus. Portanto, cabe ao Brasil aperfeiçoar o modelo apresentado pela Comissão Nacional de Saúde da China, ou construir protocolos próprios de acordo com o contexto sociocultural, compreendendo suas diferentes formas de comunicação e enfrentamento. É essencial considerar sentimentos de cansaço dos profissionais da saúde, de forma que se sugerem ações como grupo de acolhimento de demandas emocionais geradas nesta pandemia.

Abstract With high transmission and demand for hospital care, COVID-19 caused impacts (such as anxiety fear, and insecurity) on the psychological balance of patients, family members, and health professionals. Therefore, the objective of this article is to map psychological interventions in the hospital context against COVID-19, to support the constitution of protocols in this environment. We observed that virtual visits, anticipatory mourning work, and psychoeducational techniques, via brief psychotherapy are necessary within the context of closed units, Intensive Care Units (ICU's), and emergencies, as a way of coping that allow the elaboration of feelings such as fear, anguish , and anxiety. For outpatient clinics, psychological shifts in hospitals, via video calls, of spontaneous demand, in addition to referral to external psychotherapy, for professionals with symptoms of panic, anxiety, depression, and exhaustion stand out. Even with psychological interventions originating from this context, the lack of protocols with national coverage and effectiveness for the hospital environment is evident, both for patients and families and for professionals who work directly with the virus. Therefore, it is up to Brazil to improve the model presented by the National Health Commission for the People's Republic of China, or build our own protocols according to the sociocultural context, comprising their different forms of communication and confrontation. In addition, it to Considering the feelings of tiredness of health professionals is essential, so that actions such as a group to acknowledge emotional demands generated in this pandemic are suggested.

Real and/or potential impacts of the Covid-19 pandemic on the mental health in older adults / Impactos reais e/ou potenciais da pandemia de Covid-19 na saúde mental de idosos / Impactos reales y/o potenciales de la pandemia de Covid-19 en la salud mental de los ancianos

A pandemia de COVID-19 e as medidas de controle para conter a disseminação do vírus, como o distanciamento social, trouxeram mudanças à rotina das pessoas, mundialmente. Esse contexto pode gerar impactos adversos para a saúde mental dos indivíduos, especialmente, àqueles em maior vulnerabilidade, os idosos. O objetivo desse estudo foi analisar na literatura os impactos reais e/ou potenciais da pandemia de COVID-19 na saúde mental de idosos. Trata-se de uma revisão integrativa de literatura com buscas realizadas na Biblioteca Virtual em Saúde, que utilizou a seguinte estratégia de busca: (Coronavírus OR "Infecções por Coronavirus" OR "Coronavirus Infections" OR COVID-19) AND (idoso OR elderly OR aged) AND ("Saúde Mental" OR "Mental Health"). Foram critérios de inclusão: artigos acessados na íntegra, sem distinção de ano e idioma, indexados até o dia 11 de novembro de 2020; e os critérios de exclusão: artigos com fuga do escopo da pesquisa, revisões de literatura, arquivos multimídia e duplicados. Foram encontrados 241 registros, e após a aplicação dos critérios de elegibilidade estabelecidos restaram 27 artigos para discussão. Dentre os impactos reais/potenciais da pandemia de COVID-19 na saúde mental dos idosos, abordados nos estudos, destaca-se a ansiedade, depressão, solidão, estresse, sensação de medo ou pânico, tristeza, suicídio/ideação suicida e insônia. Apesar disso, considera-se que há uma quantidade ainda escassa de estudos voltados especificamente para a população idosa que permitam aprofundar as discussões sobre esse tema.

The COVID-19 pandemic and control measures to contain the spread of the virus, such as social detachment, have brought changes to people's routine, worldwide. This context can generate adverse impacts on the mental health of individuals, especially those most vulnerable, the older adults. The aim of this study was to analyze in the literature the real and / or potential impacts of the COVID-19 pandemic on the mental health of the older adults. It is an integrative literature review with searches performed in the Virtual Health Library, which used the following search strategy: (Coronavírus OR "Infecções por Coronavirus" OR "Coronavirus Infections" OR COVID- 19) AND (idoso OR elderly OR aged) AND ("Saúde Mental" OR "Mental Health"). Inclusion criteria were: articles accessed in full, without distinction of year and language, indexed until November 11, 2020; and exclusion criteria: articles with escape the scope of the research, literature reviews, multimedia and duplicate files, 241 records were found, and after applying the established eligibility criteria, 27 articles remained for discussion, among the actual / potential impacts of the COVID-19 pandemic on older people, addressed in the studies, anxiety, depression, loneliness, stress, feeling of fear or panic, sadness, suicide / suicidal ideation and insomnia stand out. Despite this, there is still a small amount studies specifically aimed at the older population that allow further discussions on this topic.

La pandemia de covid-19 y las medidas de control para contener la propagación del virus, como el distanciamiento social, han supuesto cambios en la rutina de las personas en todo el mundo. Este contexto puede generar impactos adversos a la salud mental de los individuos, especialmente a los más vulnerables, los ancianos. El objetivo de este estudio fue analizar en la literatura los impactos reales y/o potenciales de la pandemia de COVID-19 en la salud mental de los ancianos. Se trata de una revisión bibliográfica integradora con búsquedas realizadas en la Biblioteca Virtual de Salud, que utilizó la siguiente estrategia de búsqueda: (Coronavirus OR "Coronavirus Infections" OR "Coronavirus Infections" OR COVID-19) AND (elderly OR aged) AND ("Mental Health" OR "Mental Health"). Los criterios de inclusión fueron: artículos accedidos en su totalidad, independientemente del año y el idioma, indexados hasta el 11 de noviembre de 2020; y los criterios de exclusión: artículos que estuvieran fuera del ámbito de la investigación, revisiones bibliográficas, archivos multimedia y duplicados. Se encontraron un total de 241 registros, y tras aplicar los criterios de elegibilidad establecidos, quedaron 27 artículos para su discusión. Entre los impactos reales/potenciales de la pandemia de COVID-19 en la salud mental de los ancianos, abordados en los estudios, destacan la ansiedad, la depresión, la soledad, el estrés, la sensación de miedo o pánico, la tristeza, la ideación suicida/suicida y el insomnio. A pesar de ello, se considera que todavía hay una escasa cantidad de estudios dirigidos específicamente a la población de edad avanzada que permitan profundizar en las discusiones sobre este tema.

A Model of Panic Buying and Workforce under COVID-19.

Allowing there to be an undersupply of medical resources and infection amid the social workforce, this paper proposes a theory to show how panic buying is induced and how bad the workforce status could be. By developing a novel general equilibrium model, we find that for any retail price that is higher than the buyer's reserve value, the buying competition will be induced and the medical resources supply will further be tightened. Moreover, if the transmission rate of COVID-19 surpasses the theoretical threshold that is proposed by this paper, the whole workforce in our simulated economy will inevitably be infected.

Panic Food Purchasing amid COVID-19 Pandemic: Does the Impact of Perceived Severity, Anxiety and Self-Isolation Really Matter?

This research examines the influences of perceived severity, anxiety, and self-isolation intention, amid the coronavirus disease of 2019 (COVID-19), on panic food purchasing. The research adopted a quantitative approach using a pre-examined instrument, which was self-administered by the research team (with support from a data collection-specialised company) to consumers who were urgently shopping for food in the Kingdom of Saudi Arabia (KSA). The results of structural equation modelling (SEM) using analysis of a moment structures (AMOS) software showed a significant positive impact of perceived severity on consumers' anxiety and self-isolation intention amid the COVID-19 pandemic. Self-isolation intention was found to have a significant positive impact on the anxiety of consumers amid the pandemic. Additionally, perceived severity, anxiety, and self-isolation have a significant positive impact on panic food purchasing. Both anxiety and self-isolation were found to have partial mediating effects in the link between perceived severity and panic purchasing intention. The results of the current research contribute to a better understanding of factors that influence panic purchasing behaviour, especially amid a pandemic. This will help policymakers to deal with this behaviour when such issues arise in the future. Other implications for scholars and policy makers are discussed.

Do open data impact citizens' behavior? Assessing face mask panic buying behaviors during the Covid-19 pandemic.

Data are essential for digital solutions and supporting citizens' everyday behavior. Open data initiatives have expanded worldwide in the last decades, yet investigating the actual usage of open data and evaluating their impacts are insufficient. Thus, in this paper, we examine an exemplary use case of open data during the early stage of the Covid-19 pandemic and assess its impacts on citizens. Based on quasi-experimental methods, the study found that publishing local stores' real-time face mask stock levels as open data may have influenced people's purchase behaviors. Results indicate a reduced panic buying behavior as a consequence of the openly accessible information in the form of an online mask map. Furthermore, the results also suggested that such open-data-based countermeasures did not equally impact every citizen and rather varied among socioeconomic conditions, in particular the education level.

Prevalence and Associations between Anxiety, Depression, and Stress among Peruvian University Students during the covid-19 Pandemic / Prevalencia y asociaciones de ansiedad, depresión y estrés en estudiantes universitarios peruanos durante la pandemia de covid-19 / Prevalência e associações de ansiedade, depressão e estresse em estudantes universitários peruanos durante a pandemia de covid-19

The pandemic has brought about social changes, which may have affected mental health.The purpose of this study was to determine the prevalence of and associations between anxiety, depression, and stress among Peruvian university students during the covid-19 pandemic. Materials and Methods: This was an analytical, multi-centered, cross-sectional study conducted with 2,572 university students from 16 Peruvian cities. Depression, anxiety, and stress diagnoses were obtained with the dass-21 scale (stress alpha: 0.85; anx-iety alpha: 0.84; and depression alpha: 0.87). The values were crossed with significant social and educational variables. Results: Anxiety was the most common condition (extremely severe in 4 %, severe in 3 %, and mod-erate in 10 %). Whereas stress and depression were not associated with the course of studies (p > 0.330 and p > 0.440, respectively), anxiety was lower among students pursuing health-related degrees (p = 0.011). Women showed higher levels of stress (p = 0.040) and anxiety (p = 0.017). Older participants had relatively lower stress (p = 0.002), depression (p = 0.006), and anxiety (p = 0.044) levels. Third-year students had higher depression levels than first-year students (p = 0.011). Conclusions: Significant prevalence levels and associations were identified for the three conditions, which should be monitored to determine their current status, given the possible future occurrence of panic attacks or post-traumatic stress, among other complications.

la pandemia vivida obligó a cambios sociales que pudieron influir en la salud mental. El objetivo fue determinar la prevalencia y asociaciones de ansiedad, depresión y estrés en estudiantes universitarios peruanos durante la pandemia por covid-19. Materiales y métodos: estudio transversal analítico y multicéntrico, en 2572 estudiantes universitarios de 16 ciudades de Perú. Los diagnósticos de depresión, ansiedad y estrés se obtuvieron con la escala dass-21 (alfa estrés: 0.85; alfa ansiedad: 0.84 y alfa depresión: 0.87). A estos se los cruzó con importantes variables socioeducativas. Resultados: la ansiedad fue la patología más frecuente (4 % de forma extrema severa, 3 % de forma severa y 10 % de forma mode-rada); el estrés y la depresión no tienen asociación con la carrera profesional (p > 0.330 y p > 0.440, res-pectivamente); en cambio, la ansiedad fue menor en los estudiantes de carreras de salud (p = 0.011). Las mujeres tuvieron más estrés (p = 0.040) y ansiedad (p = 0.017). A mayor edad, hubo menos estrés (p = 0.002), depresión (p = 0.006) y ansiedad (p = 0.044). Los de tercer año tuvieron más depresión en comparación con los de primer año (p = 0.011). Conclusiones: existen importantes prevalencias y asociaciones de las tres patologías evaluadas, lo que debe ser monitorizado según como están actualmente. Esto por las posibles futuras manifestaciones de crisis de pánico, estrés postraumático, entre otras.

a pandemia que estamos vivenciando forçou mudanças sociais, que podem influenciar na saúde mental. O objetivo do estudo é determinar a prevalência e associações de ansiedade, depressão e estresse em estudantes universitários peruanos durante a pandemia de covid-19. Materiais e métodos:estudo transversal analítico e multicêntrico, com 2572 estudantes universitários provenientes de 16 cidades do Peru. Os diagnósticos de depressão, ansiedade e estresse foram obtidos com a escala dass-21 (Alpha para estresse: 0,85; Alpha para ansiedade: 0,84 e Alpha para depressão: 0,87), estes foram cruza-dos com importantes variáveis socioeducativas. Resultados: a ansiedade foi a patologia mais frequente (4 % em sua forma extremamente grave, 3 % forma grave e 10 % forma moderada); estresse e depressão não foram associados à carreira profissional (p > 0,330 e p > 0,440, respectivamente); por outro lado, a ansiedade foi menor nos estudantes da carreira da saúde (p = 0,011). As mulheres apresentaram mais estresse (p = 0,040) e ansiedade (p = 0,017); quanto maior a idade houve menos estresse (p = 0,002), depressão (p = 0,006) e ansiedade (p = 0,044). Estudantes do 3º ano apresentaram mais depressão em comparação aos do 1º ano (p = 0,011). Conclusões: existem prevalências e associações importantes entre as três patologias avaliadas, que devem ser monitoradas de acordo com a forma como se encontram atualmente. Isso se deve às possíveis manifestações futuras de ataques de pânico, estresse pós-traumá-tico, entre outras complicações.

Is it really "panic buying"? Public perceptions and experiences of extra buying at the onset of the COVID-19 pandemic.

Shopping behaviour in response to extreme events is often characterized as "panic buying" which connotes irrationality and loss of control. However, "panic buying" has been criticized for attributing shopping behaviour to people's alleged psychological frailty while ignoring other psychological and structural factors that might be at play. We report a qualitative exploration of the experiences and understandings of shopping behaviour of members of the public at the onset of the COVID-19 pandemic. Through a thematic analysis of semi-structured interviews with 23 participants, we developed three themes. The first theme addresses people's understandings of "panic buying". When participants referred to "panic buying" they meant observed product shortages (rather than the underlying psychological processes that can lead to such behaviours), preparedness behaviours, or emotions such as fear and worry. The second theme focuses on the influence of the media and other people's behaviour in shaping subsequent shopping behaviours. The third theme addresses the meaningful motivations behind increased shopping, which participants described in terms of preparedness; some participants reported increased shopping behaviours as a response to other people stockpiling, to reduce their trips to supermarkets, or to prepare for product shortages and longer stays at home. Overall, despite frequently using the term 'panic', the irrationalist connotations of "panic buying" were largely absent from participants' accounts. Thus, "panic buying" is not a useful concept and should not be used as it constructs expected responses to threat as irrational or pathological. It can also facilitate such behaviours, creating a self-fulfilling prophecy.

A Cross-sectional Study of Antecedents and Consequence of Panic Buying Behavior: The Moderating Effect of COVID-19 Rumors.

The novel corona virus pandemic has influenced people buying behaviors. Due to the significant psychological and behavioral impact of COVID-19 on society, this study aimed to examine the determinants of panic buying behavior and a resultant psychological outcome in the form of a sense of security. The purpose of this study is to investigate the effect of COVID-19 caller ringback tone (CRT) experiences, that is, informational and stimulation experience, on the panic buying behavior and how rumors moderate this relationship. This research is quantitative and uses a purposive sampling method to collect the survey-based data from 264 respondents. The researchers analyzed the data using Partial Least Square Structural Equation Modeling (PLS-SEM). The results of data analysis indicated that the informational and stimulation experience of COVID-19 CRT had a significant influence on panic buying behavior which further resulted in a sense of security in public. This study could not find evidence of the moderating role of rumors in the relationship between COVID-19 CRT experiences and panic buying behavior. The findings highlight the role of the COVID-19 CRT in causing panic buying behavior and resultant psychological outcome and thus provide implications for policymakers on the control of panic buying under COVID-19.

Dynamic and Comparative Transcriptome Analyses Reveal Key Factors Contributing to Cadmium Tolerance in Broomcorn Millet.

Broomcorn millet (Panicum miliaceum L.) has great potential in Cd phytoextraction, but its mechanisms are largely unknown. Two contrasting broomcorn millet varieties, 'Ningmi6' (Cd-sensitive variety) and '4452' (Cd-tolerant variety), were investigated through morphological, physiological, and transcriptomic analyses to determine the factors responsible for their differential Cd tolerance and translocation. The Cd-tolerant variety can accumulate more Cd, and its cell wall and vacuole component Cd proportions were higher compared with the Cd-sensitive variety. Under Cd stress, the glutathione content and peroxidase activity of the Cd-tolerant variety were significantly higher than those of the Cd-sensitive variety. Additionally, weighted gene co-expression network analysis (WGCNA) revealed hub modules that were associated with Cd stress and/or variety. Notably, genes involved in these hub modules were significantly enriched for roles in glutathione metabolism, phenylpropanoid biosynthesis, ABC transport, and metal ion transport process. These results suggested that regulation of genes associated with cell wall precipitation and vacuole compartmentalization may increase Cd tolerance and reduce Cd translocation in the Cd-tolerant variety, although it can absorb more Cd. This study provides a foundation for exploring molecular mechanisms of Cd tolerance and transport in broomcorn millet and new insights into improving Cd phytoremediation with this crop through genetic engineering.

Impacts of the COVID-19 pandemic on household food waste behaviour: A systematic review.

Food waste has adverse economic, social, and environmental impacts and increases the prevalence of food insecurity. Panic buying at the beginning of the COVID-19 outbreak raised serious concerns about a potential rise in food waste levels and higher pressure on waste management systems. This article aims to investigate the impact of COVID-19 on food waste behaviour and the extent to which it occurs using the systematic review method. A total of 38 articles were identified and reviewed following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The findings showed that the COVID-19 pandemic led to reductions in household food waste in most countries. Several changes in shopping and cooking behaviours, food consumption, and managing inventory and leftovers have occurred due to COVID-19. Based on these insights, we predicted that some desirable food-management habits would be retained, and others would roll back in the post-COVID-19 world. The review contributes to the food waste literature by offering a comprehensive overview of behavioural changes during the COVID-19 pandemic and future research directions.

Determinants of the decision to build up excessive food stocks in the COVID-19 crisis.

In 2020, the first COVID-19 lockdowns resulted in food panic buying and excessive food stockpiling across many countries around the world. Many governments recommend keeping emergency food stocks for three to ten days for times of potential shortages in food supply. Based on data from an online survey conducted among Swiss inhabitants, we investigated the effect of knowledge level and stockpiling behaviour according to governmental stockpiling recommendations in normal times on the decision to build up more food stocks than usual during the first lockdown in 2020. For this purpose, we applied a combination of latent class analysis and logistic regression. Latent classes were constructed based on knowledge level and stockpiling behaviour according to governmental stockpiling recommendations in normal times. Subsequently, the information on class membership was used as predictor of the decision to excessively stockpile food during the first lockdown. The variable "class membership" revealed that respondents with a low knowledge level and food stocks below governmental recommendations in normal times had a 7.6 percentage points lower probability of excessively stockpiling food during the first lockdown than respondents with a high knowledge level and recommended food stocks in normal times. Excessive stockpiling was additionally driven by the worry that certain food products would disappear from the supermarket shelves entirely or would be in short supply. Moreover, regression results revealed that respondents who reduced their shopping frequency during the first lockdown in 2020 showed a higher probability of building up more food stocks than usual. Our findings are crucial for food suppliers and policymakers to understand the drivers of panic buying and to prevent this phenomenon in future crises.

The Relationship between Prevention and Panic from COVID-19, Ethical Principles, Life Expectancy, Anxiety, Depression and Stress.

The present study aims to assess the relationship between prevention and panic from COVID-19, ethical principles, life expectancy, anxiety, depression, and stress in auditors and financial managers of small- and medium-sized Iraqi firms. In other words, this paper seeks to answer the question of whether different types of prevention and panic from COVID-19 can enhance the ethical principles, life expectancy, anxiety, depression, and stress, or not. The study method is practical in its objective and descriptive survey procedure. The study's statistical population includes 185 employed auditors in audit firms, and 215 financial managers of small- and medium-sized Iraqi firms were selected as a sample of the study using the Cochran Sampling Method. In this paper, PLS tests are used to assess the effect of independent variables on the dependent variable. The results indicate no significant relationship between prevention from COVID-19 and ethical principles and life expectancy. However, the association between prevention from COVID-19 and anxiety, depression, and stress, and between panic from COVID-19 and ethical principles, life expectancy, anxiety, depression, and stress is positive and significant. The higher the panic from COVID-19, the more ethical principles, life expectancy, anxiety, depression, and stress. Since no study has been carried out so far on the effect of prevention and panic from COVID-19, ethical principles, life expectancy, depression, and stress in Iraqi firms, the present study results can provide valuable information and contribute to the development of science and knowledge.

Moral panic about "covidiots" in Canadian newspaper coverage of COVID-19.

Moral panics are moments of intense and widespread public concern about a specific group, whose behaviour is deemed a moral threat to the collective. We examined public health guidelines in the first months of the COVID-19 pandemic in Canadian newspaper editorials, columns and letters to the editor, to evaluate how perceived threats to public interests were expressed and amplified through claims-making processes. Normalization of infection control behaviours has led to a moral panic about lack of compliance with preventive measures, which is expressed in opinion discourse. Following public health guidelines was construed as a moral imperative and a civic duty, while those who failed to comply with these guidelines were stigmatized, shamed as "covidiots," and discursively constructed as a threat to public health and moral order. Unlike other moral panics in which there is social consensus about what needs to be done, Canadian commentators presented a variety of possible solutions, opening a debate around infection surveillance, privacy, trust, and punishment. Public health communication messaging needs to be clear, to both facilitate compliance and provide the material conditions necessary to promote infection prevention behaviour, and reduce the stigmatization of certain groups and hostile reactions towards them.

Changes in General and Virus-Specific Anxiety During the Spread of COVID-19 in Israel: A 7-Wave Longitudinal Study.

We compared 3 hypothetical trajectories of change in both general and coronavirus disease 2019 (COVID-19)-specific anxiety during the first wave of the spread in the state of Israel: panic (very high anxiety, either from the outset or rapidly increasing), complacency (stable and low anxiety), and threat-sensitive (a moderate, linear increase compatible with the increase in threat). A representative sample of 1,018 Jewish-Israeli adults was recruited online. A baseline assessment commenced 2 days prior to the identification of the first case, followed by 6 weekly assessments. Latent mixture modeling analyses revealed the presence of 3 trajectories: 1) "threat-sensitivity" (29% and 66%, for general and virus-specific anxiety, respectively), 2) panic (12% and 25%), and 3) complacency (29% and 9%). For general anxiety only, a fourth class representing a stable mid-level anxiety was identified ("balanced": 30%). For general anxiety, women and the initially anxious-both generally and specifically from the spread of the virus-were more likely to belong to the panic class. Men and older participants were more likely to belong to the complacency class. Findings indicate a marked heterogeneity in anxiety responses to the first wave of the spread of COVID-19, including a large group evincing a "balanced" response.

The suppression effect of emotional contagion in the COVID-19 pandemic: A multi-layer hybrid modelling and simulation approach.

The entire world has suffered a lot since the outbreak of the novel coronavirus (COVID-19) in 2019, so simulation models of COVID-19 dynamics are urgently needed to understand and control the pandemic better. Meanwhile, emotional contagion, the spread of vigilance or panic, serves as a negative feedback to the epidemic, but few existing models take it into consideration. In this study, we proposed an innovative multi-layer hybrid modelling and simulation approach to simulate disease transmission and emotional contagion together. In each layer, we used a hybrid simulation method combining agent-based modelling (ABM) with system dynamics modelling (SDM), keeping spatial heterogeneity while reducing computation costs. We designed a new emotion dynamics model IWAN (indifferent, worried, afraid and numb) to simulate emotional contagion inside a community during an epidemic. Our model was well fit to the data of China, the UK and the US during the COVID-19 pandemic. If there weren't emotional contagion, our experiments showed that the confirmed cases would increase rapidly, for instance, the total confirmed cases during simulation in Guangzhou, China would grow from 334 to 2096, which increased by 528%. We compared the calibrated emotional contagion parameters of different countries and found that the suppression effect of emotional contagion in China is relatively more visible than that in the US and the UK. Due to the experiment results, the proposed multi-layer network model with hybrid simulation is valid and can be applied to the quantitative analysis of the epidemic trends and the suppression effect of emotional contagion in different countries. Our model can be modified for further research to study other social factors and intervention policies in the COVID-19 pandemic or future epidemics.