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| Author | : William Kerbel |
| Publisher | : |
| Total Pages | : 31 |
| Release | : 2016 |
| Genre | : Drinking water |
| ISBN | : 9781935082477 |
| Author | : William Kerbel |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2022 |
| Genre | : Legionnaires' disease |
| ISBN | : 9781523147540 |
This document is intended to provide guidance on recognition, evaluation, and control of Legionella colonization and amplification in common building water systems, both with and without any associated disease (legionellosis). This document expands upon information previously presented in two AIHA publications: Field Guide for the Determination of Biological Contaminants in Environmental Samples, 2nd edition and this book.
| Author | : National Academies of Sciences, Engineering, and Medicine |
| Publisher | : National Academies Press |
| Total Pages | : 291 |
| Release | : 2020-02-20 |
| Genre | : Medical |
| ISBN | : 0309493854 |
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.
| Author | : National Academies of Sciences, Engineering, and Medicine |
| Publisher | : National Academies Press |
| Total Pages | : 291 |
| Release | : 2020-03-20 |
| Genre | : Medical |
| ISBN | : 030949947X |
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.
| Author | : Silvia Bonetta |
| Publisher | : MDPI |
| Total Pages | : 298 |
| Release | : 2021-09-01 |
| Genre | : Science |
| ISBN | : 3036506942 |
Legionella spp. are ubiquitous microorganisms that are widely distributed in aquatic environments. Water systems of large buildings, such as hospitals, hotels, and rental units are often contaminated by legionellae and various parameters such as physical, chemical, and microbial building water system characteristics can influence Legionella occurrence. A range of physical and chemical disinfection methods have been proposed to control Legionella contamination; however, to date, the most effective procedures have not been defined. There is a need to survey legionellae in water systems to prevent legionellosis. Although the assessment of L. pneumophila in water is typically performed by culture isolation on selective media, it has several limits. For this reason, alternative tools for rapid, sensitive, and specific detection of Legionella in water samples have been proposed. In order to increase knowledge on different aspects of Legionella contamination in the water environment, this book gathers research studies related to the occurrence of Legionella in water systems of different environments; the role of different factors that can influence the Legionella contamination, as well as the advantages and disadvantages of different methodological approaches.
| Author | : Bradley Prezant |
| Publisher | : AIHA |
| Total Pages | : 265 |
| Release | : 2008 |
| Genre | : Architecture |
| ISBN | : 1931504911 |
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 405 |
| Release | : 2007-01-22 |
| Genre | : Science |
| ISBN | : 0309103061 |
Protecting and maintaining water distributions systems is crucial to ensuring high quality drinking water. Distribution systems-consisting of pipes, pumps, valves, storage tanks, reservoirs, meters, fittings, and other hydraulic appurtenances-carry drinking water from a centralized treatment plant or well supplies to consumers' taps. Spanning almost 1 million miles in the United States, distribution systems represent the vast majority of physical infrastructure for water supplies, and thus constitute the primary management challenge from both an operational and public health standpoint. Recent data on waterborne disease outbreaks suggest that distribution systems remain a source of contamination that has yet to be fully addressed. This report evaluates approaches for risk characterization and recent data, and it identifies a variety of strategies that could be considered to reduce the risks posed by water-quality deteriorating events in distribution systems. Particular attention is given to backflow events via cross connections, the potential for contamination of the distribution system during construction and repair activities, maintenance of storage facilities, and the role of premise plumbing in public health risk. The report also identifies advances in detection, monitoring and modeling, analytical methods, and research and development opportunities that will enable the water supply industry to further reduce risks associated with drinking water distribution systems.
| Author | : Janet Stout |
| Publisher | : |
| Total Pages | : |
| Release | : 2020-08-06 |
| Genre | : |
| ISBN | : 9781735329406 |
Legionnaires' disease is a severe infection caused by Legionella bacteria that affects more than 10,000 people in the United States every year, with 10% of those people dying from the disease. The goal of this guide is to educate professionals involved with water safety and management programs, including infection preventionists, risk management professionals, public health professionals, safety officers, facility managers, engineering and maintenance staff, water treatment professionals, and consultants. Through the education and training provided in this guide, we hope to reduce the risk of Legionnaires' disease in facilities.This ultimate Legionella resource and study guide written by Legionella expert, Dr. Janet E. Stout, with contributions from infectious disease, microbiology, engineering, public health, and infection prevention professionals. Ideal for professionals concerned about water safety, instructors, and students. This authoritative resource and guide provides foundational knowledge to understand and control Legionella to prevent Legionnaires' disease. It's accessible, practical and interactive filled with tips, myth-facts, practice quizzes, access videos and download PDFs, web resources and tools. Officially recognized by ASSE as appropriate training material in preparing for the ASSE 12080 certification examination. This resource complements in-person training programs on Legionnaires' disease and water safety and management.
| Author | : Great Britain: Department of Health: Estates and Facilities Division |
| Publisher | : The Stationery Office |
| Total Pages | : 84 |
| Release | : 2006-12-11 |
| Genre | : Medical |
| ISBN | : 0113227442 |
This publication outlines the principles involved in design, installation and testing of hot and cold water supply, storage and distribution systems for health care premises It is apllicable to both new and existing sites. A companion volume, Part B, Operational management (ISBN 0113227450) is also available. HTM 04-01 supersedes HTM 2027 (1995) and HTM 2040 (1994)
| Author | : World Health Organization |
| Publisher | : World Health Organization |
| Total Pages | : 260 |
| Release | : 1993 |
| Genre | : Medical |
| ISBN | : 9789241545037 |
This volume describes the methods used in the surveillance of drinking water quality in the light of the special problems of small-community supplies, particularly in developing countries, and outlines the strategies necessary to ensure that surveillance is effective.
