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In this third year of the SARS-CoV-2 pandemic responsible for COVD-19 and related diseases worldwide, the scientific studies and reviews focused on this virus and its variants are still crucial. The third volume of the Coronaviruses series brings together some essential data regarding the origin, pathology and chemotherapeutic drugs to treat coronavirus infections. Contributions are written by experienced researchers with the goal of updating medical researchers and clinicians dealing with COVID-19 patients. It presents seven chapters covering a range of topics: (1) bat coronaviruses in the world, (2) hospital challenges during the COVID-19 pandemic, (3) the pro-inflammatory and thrombotic manifestations and the therapeutic options of Covid-19, (4) the common and rare dermatologic manifestations registered in COVID-19 patients, (5) the circulating biomarkers of cardiopulmonary disturbances in COVID-19, and (6) the aspects of pathology and pathogenesis of coronavirus infection

In this difficult period of the SARS-CoV-2 (and its variants) infection responsible for Covid-19 diseases, the importance of scientific works and reviews dealing with these viruses has never been more essential and vital. Reports as of 20th April 2021 indicate over 141 million cases of SARS-CoV-2 infection worldwide (with over 3 million deaths recorded). This volume brings together essential data regarding prevention (vaccination), detection, and various approaches (chemotherapeutic drugs and antibodies) to the potential treatment of coronavirus infections. It presents six chapters concerning the following topics:(1) the resistance to the spread of SARS-CoV-2 and related Covid-19 diseases within a population based on the pre-existing immunity of a high proportion of individuals as a result infection or previous vaccination(2) the impact of the Covid-19 pandemic for the South Asian Association for Regional Cooperation (SAARC) region, comprising the Bangladesh, Bhutan, Maldives, Nepal, Pakistan, Sri Lanka, India, and Afghanistan(3) the effect of candidate drugs chloroquine and hydroxychloroquine on QT interval in infected patients with Covid-19 diseases(4) the antiviral potential of herbal-based immunomodulators(5) the humoral immune response in humans based on anti-SARS-CoV-2 antibodies to treat Covid-19 diseases(6) the various methods and strategies for diagnosing SARS-CoV-2 (and its variants) infection in hosts/humans.This compilation should prove to be a tool of crucial importance for researchers around the world working on research revolving around coronaviruses, as well as for clinicians confronted by a growing number of patients with COVID-19.[Series Introduction]Coronaviruses presents compilations of reviews which present information about coronaviridae. Volumes in the series present interesting data on the virology, molecular biology, pathogenesis and epidemiology of these viruses. Current topics such as SARS-CoV-2 infection, COVID-19 epidemiology, economic impact of COVID-19, and new coronavirus variants are also included. The series should prove to be an essential resource on this group of viruses for multidisciplinary researchers and healthcare professionals alike.

Scientific literature on SARS-COV-2 viruses and its variants (especially variants of concern such as the ‘Delta variant') and important cellular targets is crucial to help researchers, epidemiologists, virologists and clinicians around the globe to develop a new generation of safer and more effective vaccines, and other treatments to address COVID-19 disease. The accompanying damage to the many organs and tissues of SARS-Co-2-infected people also needs to be understood and researchers are using data to devise meaningful protocols for treating these symptoms. This second volume of Coronaviruses brings together more useful information about the prevention, vaccination, and chemotherapies for the potential treatment of coronavirus infections. The volume includes eight chapters: (1) Broad spectrum antivirals to combat COVID-19 The reality and challenges, (2) COVID-19: Preventive and protective control management strategies, (3) Plant-derived extracts and bioactive compounds against coronavirus progression: preventive effects, mechanistic aspects, and structures, (4) Gastroenteritis: symptoms and epidemiology of SARS-CoV-2, (5) The chronicles of coronavirus: A Chinese king who conquered the entire world, (6) Traditional medicine as a natural remedy in ARDS $#38; COVID-19, (7) Molecular pathogenesis of human coronaviruses of the 21st century, (8) COVID-19, mental health and neuropathophysiology of pain related to temporomandibular disorder. The volume serves as a novel compilation of key data on SARS-CoV-2 and COVID-19 and represents a resource of the utmost value for all scholars studying SARS-CoV infections. It should also be of great interest to clinicians who may be facing an overwhelming number of individuals affected with COVID-19, with over 267 million global cases documented as of the first week of December 2021).

Quelle attitude adoptez-vous lorsque vous devez intervenir à l'oral? Êtes-vous à l'aise pour organiser votre intervention? Savez-vous gérer le stress ou réagir face à un auditoire?Parler en public provoque appréhensions et difficultés qui peuvent amener à accumuler les maladresses, voire à renoncer à s'exprimer.Cet ouvrage vous donne les clés pour mieux communiquer, renforcer votre image personnelle et professionnelle et développer de vrais talents d'orateur.Illustré de nombreux conseils, témoignages et astuces, considérablement enrichis dans cette 2e édition, ce guide s'adresse à tousceux qui souhaitent réussir leurs présentations orales. Une grille d'auto-évaluation, permettant de réaliser un bilan de vos capacités, et de nombreux exercices vous aideront à progresser pas à pas.

« À niveau égal, disent tous les grands performeurs, le mental fait la différence ». Cette part du mental, on le sait aujourd'hui, est déterminante pour réussir. Mais de quoi s'agit-il exactement? Les auteurs définissent les composantes qui entrent en jeu dans la performance mentale. Réussite et accomplissement personnel sont indissociables de la maîtrise des émotions, l'estime de soi, la motivation, la concentration et la communication. Les auteurs s'inspirent de 20 ans de pratique auprès de sportifs de haut niveau en tant que joueurs, entraîneurs, coachs et tirent de leur expérience, les outils et techniques essentiels de la préparation mentale, facteur majeur de toute réussite professionnelle.