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This book examines the two major parasite groups that are transmitted via water or foods: the single-celled protozoa, and the helminths: cestodes (tapeworms), nematodes (round worms), and trematodes (flukes). Each chapter covers the biology, mechanisms of pathogenesis, epidemiology, treatment, and inactivation of these parasites. This important new text offers a better understanding of the biology and control of parasitic infections necessary to reduce or eliminate future outbreaks in the U.S. and elsewhere.
Food safety awareness is at an all time high, new and emerging threats to the food supply are being recognized, and consumers are eating more and more meals prepared outside of the home. Accordingly, retail and foodservice establishments, as well as food producers at all levels of the food production chain, have a growing responsibility to ensure that proper food safety and sanitation practices are followed, thereby, safeguarding the health of their guests and customers. Achieving food safety success in this changing environment requires going beyond traditional training, testing, and inspectional approaches to managing risks. It requires a better understanding of organizational culture and ...
Due to the advent of AIDS, there is currently great interest in opportunistic infections in people with compromised immune systems. This special volume of Advances in Parasitology provides a detailed account ofthe pathogens associated with human enteric diseases, Cryptosporidium parvum, Enterocytozoon bieneusi and Cyclospora cayetanensis. This volume is essential for all parasitologists working on opportunistic protozoa.
Several parasites are able to spread diseases through contaminated water. While the spread of diseases through contaminated water appears to have a greater correlation with a lack of access to clean water in low income populations in developing countries, there have been outbreaks of water-borne diseases in developed countries. Therefore, addressing water-borne diseases is a major public health concern worldwide. Water-borne Protozoa in Humans is a guide to protozoan infections linked to contaminated water. Each chapter of this monograph covers the history, morphology, life cycle, global epidemiology, risk factors, immunology, symptoms, diagnosis, treatment and perspectives of control for ea...
Microbiology of Fruits and Vegetables presents a holistic view of the problem of produce contamination that examines both pre-harvest and post-harvest sources and practices. It addresses a number of topical issues relating to the microbiological quality and safety of fresh and processed fruits and vegetables and explores the linkage between microbial attachment, the state of microbial contaminants on produce surfaces, and the problem of decontamination. This volume focuses on five distinct areas, and within these areas, provides in-depth coverage of scientific issues important to an understanding of the field and technical issues of economic and public health significance.
Coordination of risk assessments and risk communication strategies requires information sharing and establishing networks of working relationships between groups and agencies. Establishing these relationships necessitates overcoming - stitutional, cultural, and political boundaries. Signi?cant barriers exist between r- ulatory agencies and industry groups. Traditionally, these groups have mistrusted one another, and cooperation and collaboration, including sharing information, c- respondingly has been limited. The adoption of radio frequency identi?cation te- nology for tracking livestock, for example, has been met with signi?cant resistance due in part to mistrust between regulatory agencie...
Giardia duodenalis (=G. lamblia), Entamoeba histolytica, Cryptosporidium parvum and Cyclospora cayetanensis are more than just a mouthful for most who might encounter them. These protozoan parasitic agents contribute significantly to the staggering caseload of diarrheal disease morbidity encountered in developing world nations. Compounding the issue of their mere presence is the fact that standard ova and parasite exams frequently do not detect these infections. Detectable stages may be shed intermittently or require specialized staining procedures. Added to this is the often large number of asymptomatic carriers who serve as reservoirs for infecting others. These parasites are also not stra...
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.
With the application of new analytical techniques, the field of food fermentation has grown in recent years. This book provides the latest information and relevant advances on the microbial ecology of fermented foods and the application of molecular methods. This book serves as a guide for students and researchers on the most advanced techniques to identify bacteria and helps in choosing the most appropriate tools to study fermented food from a microbiological point of view.