Enteric pathogenic viruses are a major challenge in public health, as they represent a major concern with a severe global impact to the economy, commerce, and health systems. Consequently, their active monitoring can allow preventive surveillance and the discovery of new viruses, exemplifying an important epidemiological and health control tool. In an unprecedented way, this book addresses the general characteristics of enteric viruses and their environmental transmission, with a particular emphasis on their structures, stability, routes of transmission and the use of bioindicators for epidemiological monitoring and control. In addition, this book will also address the recent developments for viral concentration and detection in environmental and food samples and the challenges for the control of environmental and food viruses to reduce microbiological risk for final consumers.
This is the first book to focus entirely on viruses in foods. It collates information on the occurrence, detection, transmission, and epidemiology of viruses in various foods. Although methods for bacterial detection in food are available, methods for detection of viruses in food, with the exception of shellfish, are not available. It is important, therefore, to develop methods for direct examination of food for viruses and to explore alternate indicators that can accurately reflect the virological quality of food. This book addresses these issues along with strategies for the prevention and control of viral contamination of food.
Environmental Nutrition: Connecting Health and Nutrition with Environmentally Sustainable Diets explores the connection between diet, environmental sustainability and human health. Current food systems are a major contributor to our most pressing health and environmental issues, including climate change, water scarcity, food insecurity and chronic diseases. This book not only seeks to increase our understanding of the interrelatedness of these major global issues, but also aids in the creation of new solutions. Sections discuss the diet, the health and environment trilemma, food systems and their trends, environmental nutrition as an all-encompassing discipline, and the environmental nutrition model.
Food-borne viruses are recognized as a major health concern, but their distribution, definition, and impact are poorly understood. The volume Food-Borne Viruses goes a long way in correcting that problem. Written by leading scientists in the field, it brings together the latest knowledge on these viral strains, their detection and control, and associated challenges.
Viruses can be highly infectious and are capable of causing widespread disease outbreaks. The significance of viral pathogens in food and waterborne illness is increasingly being recognised and viruses transferred by these routes are important areas of research. Viruses in food and water reviews the risks, surveillance and control of food and waterborne viral disease.Part one provides an introduction to food and environmental virology. Part two goes on to explore methods of detection, surveillance and risk assessment of viruses in food and water; it includes chapters on molecular detection of viruses in foods and food processing environments, quality control in the analytical laboratory, and quantitative risk assessment for food and waterborne viruses. Part three focuses on virus transmission routes and control of food and water contamination. It contains chapters on fresh produce, shellfish and viral presence, and control methods in waste water and sewage. Finally, part four highlights particular pathogens including norovirus, hepatitis A and emerging zoonotic viruses.Viruses in food and water is a standard reference book for microbiologists in academia, analytical labs and the food and water treatment industries, as well as environmental health professionals and researchers working on foodborne viruses. - Explores methods of detection, surveilance and risk assessment of viruses in food and water - Considers virus transmission routes and control of food and water contamination - Highlights advances in the understanding of specific pathogens, including norovirus, hepatitis A and rotaviruses and the advances in vaccine development
Foodborne viruses are an important group of pathogens recognized to cause significant disease globally, in terms of both number of illnesses and severity of disease. Contamination of foods by enteric viruses, such as human norovirus and hepatitis A and E viruses, is a major concern to public health and food safety. Food Virology is a burgeoning field of emphasis for scientific research. Many developments in foodborne virus detection, prevention and control have been made in recent years and are the basis of this publication. This second edition of Viruses in Foods provides an up-to-date description of foodborne viruses of public health importance, including their epidemiology and methods for detection, prevention and control. It uniquely includes case reports of past outbreaks with implications for better control of future outbreaks, a section that can be considered a handbook for foodborne virus detection, and updated and expanded information on virus prevention and control, with chapters on natural virucidal compounds in foods and risk assessment of foodborne viruses.
Globalization of the food supply has created conditions favorable for the emergence, reemergence, and spread of food-borne pathogens-compounding the challenge of anticipating, detecting, and effectively responding to food-borne threats to health. In the United States, food-borne agents affect 1 out of 6 individuals and cause approximately 48 million illnesses, 128,000 hospitalizations, and 3,000 deaths each year. This figure likely represents just the tip of the iceberg, because it fails to account for the broad array of food-borne illnesses or for their wide-ranging repercussions for consumers, government, and the food industry-both domestically and internationally. A One Health approach to food safety may hold the promise of harnessing and integrating the expertise and resources from across the spectrum of multiple health domains including the human and veterinary medical and plant pathology communities with those of the wildlife and aquatic health and ecology communities. The IOM's Forum on Microbial Threats hosted a public workshop on December 13 and 14, 2011 that examined issues critical to the protection of the nation's food supply. The workshop explored existing knowledge and unanswered questions on the nature and extent of food-borne threats to health. Participants discussed the globalization of the U.S. food supply and the burden of illness associated with foodborne threats to health; considered the spectrum of food-borne threats as well as illustrative case studies; reviewed existing research, policies, and practices to prevent and mitigate foodborne threats; and, identified opportunities to reduce future threats to the nation's food supply through the use of a "One Health" approach to food safety. Improving Food Safety Through a One Health Approach: Workshop Summary covers the events of the workshop and explains the recommendations for future related workshops.
We have attempted to provide a concise and up to date account of human viruses in the environment with attention to basic tools now available for monitoring viruses. We have aimed this introductory volume at young students, teachers and investigators in microbiology, virology, environmental engineering and health sciences. As the routes for virus dissemination become more varied, there is an enhanced potential for causing infection in humans. Improvement in the development of control strategies will alleviate the magnitude of viral pollution of the environment. This volume will introduce the reader to an area of science which of necessity must utilize a variety of disciplines. V.CHALAPATIRAO JOSEPH L. MELNICK v We humbly dedicate this volume to the cherished memory of our parents Contents Preface v 1 Introduction 1 References 9 2 Human enteric viruses in polluted water 10 Enteroviruses 10 Hepatitis A virus 11 Non-A, non-B hepatitis 12 Norwalk and Norwalk-like agents 12 Rotaviruses 13 Adenoviruses 13 Parvoviruses 14 Enteric viruses in the etiology of water-borne disease 14 Summary 16 References 16 3 Monitoring for viruses in wastewater and water 18 Why water should be monitored for viral contamination 18 Methods for monitoring viral contamination 19 Virus isolation from sewage, and surface and drinking water 25 Indicators for viruses 30 Standards for viruses in drinking water 32 Future developments in virus detection 33 Summary 38 References 39 4 Virus removal by treatment processes 41 Advanced waste treatment (tertiary treatment) 46 Disinfection 49 Summary 54 References 54
