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Legionnaires' disease, a pneumonia caused by the Legionella bacterium, is the leading cause of reported waterborne disease outbreaks in the United States. Legionella occur naturally in water from many different environmental sources, but grow rapidly in the warm, stagnant conditions that can be found in engineered water systems such as cooling towers, building plumbing, and hot tubs. Humans are primarily exposed to Legionella through inhalation of contaminated aerosols into the respiratory system. Legionnaires' disease can be fatal, with between 3 and 33 percent of Legionella infections leading to death, and studies show the incidence of Legionnaires' disease in the United States increased five-fold from 2000 to 2017. Management of Legionella in Water Systems reviews the state of science on Legionella contamination of water systems, specifically the ecology and diagnosis. This report explores the process of transmission via water systems, quantification, prevention and control, and policy and training issues that affect the incidence of Legionnaires' disease. It also analyzes existing knowledge gaps and recommends research priorities moving forward.
In the small market town of Heaven's Turn on the Chengdu Plain, a simple-minded shopkeeper has married a beautiful village girl who is determined to rise above her station. Li Jieren's novel is populated with gangsters, prostitutes, farmers, dilettantes, bureaucrats and Christian converts, all drawn from the author's familiar acquaintance. While giving an incomparably vivid account of the lives of commoners, it illuminates a complex balance of power at the end of the last dynasty, when Western powers were clashing with imperial troops in far-off Peking, and the underground fraternities of this provincial backwater were chafing at the activities of foreign missionaries. Its relevance extends beyond the Qing dynasty and beyond China, to anywhere that cultures collide or people dream of better lives. Li Jieren brought to this portrayal of his native province the expertise of a local, the critical eye of a foreigner, and the sympathetic wit of a humanist. He has long been under-appreciated, in part because he mixed colloquial Sichuanese with literary Mandarin, and in part because his work is too uncompromising to fit easily into any ideological mold. This translation, based on the original 1935 edition, includes recent interviews with four residents of Heaven's Turn, giving modern perspectives on the town where the story takes place.
The safety of the nation's drinking water must be maintained to ensure the health of the public. The U.S. Environmental Protection Agency (EPA) is responsible for regulating the levels of substances in the drinking water supply. Copper can leach into drinking water from the pipes in the distribution system, and the allowable levels are regulated by the EPA. The regulation of copper, however, is complicated by the fact that it is both necessary to the normal functioning of the body and toxic to the body at too high a level. The National Research Council was requested to form a committee to review the scientific validity of the EPA's maximum contaminant level goal for copper in drinking water. Copper in Drinking Water outlines the findings of the committee's review. The book provides a review of the toxicity of copper as well as a discussion of the essential nature of this metal. The risks posed by both short-term and long-term exposure to copper are characterized, and the implications for public health are discussed. This book is a valuable reference for individuals involved in the regulation of water supplies and individuals interested in issues surrounding this metal.
Poetry. Asian & Asian American Studies. Translated from the Chinese by Robert Hammond Dorsett, MD. Foreword by Christopher Merrill. Calligraphy by Huang Xiang. The temptation, when evaluating a poet gunned down by his government, is to start there, with the politics that led to his murder. But Wen Yiduo (1899-1946) was much too complex and heterodox to comfortably wear the martyr's robe, his works too nuanced and unsettled to be a paragon of any revolution. His poems explore religion and rickshaws, contain the chrysanthemums of Chinese folklore and the mud of contemporary times, and dare readers to challenge prevailing conceptions, even to render their own cynicism as hope. Mao blamed the Nationalists for Wen's death, thus elevating him to something like mythic status, yet the poet needed no such validation. He resisted easy classification. He was a writer whose ballast was in ideas and logic, while remaining fresh to the point of innovation. In Dorsett's interpretation, we revel in the details of Wen's work: lyric, ironic, passionate, and above all, politically aware but ideologically free. It represents a long overdue attempt to bring international attention to one of China's preeminent 20th- century writers.
"A transnational approach to the history of a key Latin American border region"--Provided by publisher.
The revised Third Edition of The Prokaryotes, acclaimed as a classic reference in the field, offers new and updated articles by experts from around the world on taxa of relevance to medicine, ecology and industry. Entries combine phylogenetic and systematic data with insights into genetics, physiology and application. Existing entries have been revised to incorporate rapid progress and technological innovation. The new edition improves on the lucid presentation, logical layout and abundance of illustrations that readers rely on, adding color illustration throughout. Expanded to seven volumes in its print form, the new edition adds a new, searchable online version.
Almost all homes, apartments, and commercial buildings will experience leaks, flooding, or other forms of excessive indoor dampness at some point. Not only is excessive dampness a health problem by itself, it also contributes to several other potentially problematic types of situations. Molds and other microbial agents favor damp indoor environments, and excess moisture may initiate the release of chemical emissions from damaged building materials and furnishings. This new book from the Institute of Medicine examines the health impact of exposures resulting from damp indoor environments and offers recommendations for public health interventions. Damp Indoor Spaces and Health covers a broad range of topics. The book not only examines the relationship between damp or moldy indoor environments and adverse health outcomes but also discusses how and where buildings get wet, how dampness influences microbial growth and chemical emissions, ways to prevent and remediate dampness, and elements of a public health response to the issues. A comprehensive literature review finds sufficient evidence of an association between damp indoor environments and some upper respiratory tract symptoms, coughing, wheezing, and asthma symptoms in sensitized persons. This important book will be of interest to a wide-ranging audience of science, health, engineering, and building professionals, government officials, and members of the public.
Biotechnology of Metals: Principles, Recovery Methods and Environmental Concerns deals with all aspects of metal biotechnology in different areas, such as biogenesis, biomaterials, biomimetic strategies, biohydrometallurgy, mineral biobeneficiation, electrobioleaching, microbial corrosion, human implants, concrete biocorrosion, microbiology of environment pollution, and bioremediation. As the technology of this interdisciplinary science has diversified over the last five years, this book provides a valuable source for scientists and students in a number of disciplines, including geology, chemistry, metallurgy, microbiology, chemical engineering, environment, civil engineering, and biomedical engineering. - Offers comprehensive coverage of an interdisciplinary subject - Outlines the role of microbiology and biotechnology in mining, metallurgy, waste disposal and environmental control - Covers new topics, such as biogenesis, biomaterials processing, the role of micro-organisms in causing corrosion, and much more - Presents scientifically illustrated experimental research methods in metals biotechnology