Customer Value Co-creation Behavior in Times of covid-19: The Case of the Mexican Food Service Delivery Ecosystem

The global pandemic caused by covid-19 forced many countries worldwide to establish severe restrictions on mobility and access to numerous services. Mexico was no exception, and es-pecially food service underwent radical changes that forced businesses to move into or expand food service delivery. Not only organizations suffered this abrupt change, but customers also had to ven-ture into this modality, which was unknown or barely explored for many. Faced with this scenario, organizations showed a lack of knowledge about the customer role that positively contributes to the joint achievement of the expected benefits during the value exchange. This research aims to verify if Customer Participation Behavior (cpb) and Customer Citizenship Behavior (ccb) are related to Customer Value Co-creation Behavior (cvcb) generation in the Mexican food service delivery ecosystem. Through a quantitative research, online surveys based on the cvcb scale by Yi and Gong (2013) were applied. Besides, a hierarchical component modeling was used as a statistical instrument. The results highlight that both cpb and ccb are positively and significantly related to cvcb, being responsible behavior and information sharing the variables most related to cpb. As for ccb, recommendation and helping other customers are the variables with the highest relationship. These findings encourage food establishment managers to reinforce specific actions in order to develop co-creation behavior among their customers, and therefore meet the challenges posed to this service modality. © 2022, Universidad Nacional de Colombia. All rights reserved.

Histopathological and virological features of lung, heart and liver percutaneous tissue core biopsy in patients with COVID-19: A clinicopathological case series.

INTRODUCTION: Data on pathological changes in COVID-19 are scarce. The aim of this study was to describe the histopathological and virological findings of postmortem biopsies, and the existing clinical correlations, in people who died of COVID-19. MATERIALS AND METHODS: We performed postmortem needle core biopsies of the chest in 11 people who died of COVID-19 pneumonia. Tissue examination was done by light microscopy and real-time polymerase chain reaction (RTPCR). RESULTS: The age of the patients were between 61 to 94 years. Of the 11 postmortem chest biopsies, lung tissue was obtained in 8, myocardium tissue in 7, and liver tissue in 5. Histologically of lung, the main findings pertaining to the lung were diffuse alveolar damage in proliferative phase (n = 4, 50%), diffuse alveolar damage in exudative and proliferative phase (n = 3, 37.5%), diffuse alveolar damage in exudative (n=1; 12.5%) and acute pneumonia (n = 2, 25%). Necrotising pneumonia, acute fibrinous and organising pneumonia, and neutrophils were detected in one sample each (12.5%). Another case presented myocarditis. RT-PCR showed RNA of SARS-CoV-2 in 7 of the 8 lung samples (87.5%), 2 of the 7 myocardial tissue samples (28.6%), and 1 of the 5 liver tissue samples (20%). CONCLUSION: The postmortem examinations show diffuse alveolar damage, as well as acute or necrotising pneumonia. RT-PCR of SARS-CoV-2 was positive in most lung samples.

On-Line Project-Based Learning on Healthcare Technologies Against Epidemic Diseases: A COVID-19 Case Study

Quality technical education on healthcare technologies is still inaccessible to young adults in low-resource settings due to high costs, low-tech environments, and gaps in learning materials. The online and open-source collaborative Project-Based Learning (PBL) methodology intends to introduce early-career engineers into the development of healthcare technologies by allowing students from all around the world, regardless of background or place of origin, to engage in collaborative design methods, the use of open-source resources and learning experiences from experts in the field. This paper discusses a case study in which the aforementioned methodology was implemented, the "COVID-19 Innovation Competition and Design Bootcamp 2020", which brought together 105 participants from 22 countries, mostly in Africa, to conceptualize the design of 10 medical devices in two weeks for an integral management of the COVID-19 pandemic that is applicable to other infectious disease outbreaks. The presented experience demonstrates that highly formative virtual PBL experiences can be carried out, in a cost-effective way and in connection with real societal needs, for which remarkable solutions can be found, by virtue of multidisciplinary and international cooperation. Our findings demonstrate that even if it is difficult to reach the degree of project completion achievable with longer-term and on-site design-build experiences, on-line PBL has been shown to promote students' professional skills in an effective way.