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Northwest Epidemiologic Enteric Disease Study - Frost Jr, Floyd J. Kunde, Twila R. Muller, Timothy L.
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Frost Jr, Floyd J. Kunde, Twila R. Muller, Timothy L.:
Northwest Epidemiologic Enteric Disease Study - Livres de poche

2000, ISBN: 9781843399216

[ED: Taschenbuch], [PU: AWWARF], The primary objective of the study was to estimate the level of infectious gastrointestinal disease attributable to drinking water. The study enrolled three groups of individuals served by different water sources. The approach was to compare rates of enteric illnesses in the three cohorts before changes were made in drinking water treatment at one site with enteric illness rates after the change occurred. A secondary objective was to determine if drinking-water-attributable endemic levels of gastrointestinal diseases are elevated in a community that uses unfiltered water from a well-protected surface water source. The approach for this objective was to compare illness rates between the surface water sites and the ground water site before the intervention. This is an epidemiological study of two populations using unfiltered but chlorinated surface-derived drinking water and one population using ground water. In the fall of 2000, filtration and ozonation were initiated at one unfiltered surface water source. No changes were made in the sources or water treatment at the other locations. Cohorts of individuals were assembled from each population and illnesses were tracked using daily illness diaries in three cohorts for six months prior to initiation of filtration (Phase 1) and the same six-month time frame the following year after the implementation of filtration (Phase 2). The three sites included: Site A that was affected by the water treatment change in the fall of 2000, Site B that was served by chlorinated, unfiltered surface water for the entire study period, and Site C that was served by chlorinated and uncontaminated ground water. All sites before and after the treatment changes met the Safe Drinking Water Standards. Sera collected from adults during each phase of the study were analyzed for antibody responses to Cryptosporidia and Giardia by Western blot. Stools collected in Site A during both phases of the study were tested using a polymerase chain reaction (PCR) test for Microsporidia, Cryptosporidium, and Giardia, along with Cryptosporidium IgA antibody by ELISA. Daily illness diaries collected before and after initiation of filtration of the unfiltered drinking water supply were used to estimate the risk of waterborne gastroenteritis. Other information was also collected from Sites A and B to support the study efforts. This information collected during both phases included: 1) emergency department visits, 2) school absences, and 3) water quality data. Versandfertig in 2-4 Wochen, DE, [SC: 0.00], Neuware, gewerbliches Angebot, offene Rechnung (Vorkasse vorbehalten)

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Northwest Epidemiologic Enteric Disease Study - Frost Jr. , Floyd J. Kunde, Twila R. Muller, Timothy L.
Livre non disponible
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Frost Jr. , Floyd J. Kunde, Twila R. Muller, Timothy L.:
Northwest Epidemiologic Enteric Disease Study - Livres de poche

2000, ISBN: 9781843399216

[ED: Taschenbuch], [PU: AwwaRF], The primary objective of the study was to estimate the level of infectious gastrointestinal disease attributable to drinking water. The study enrolled three groups of individuals served by different water sources. The approach was to compare rates of enteric illnesses in the three cohorts before changes were made in drinking water treatment at one site with enteric illness rates after the change occurred. A secondary objective was to determine if drinking-water-attributable endemic levels of gastrointestinal diseases are elevated in a community that uses unfiltered water from a well-protected surface water source. The approach for this objective was to compare illness rates between the surface water sites and the ground water site before the intervention. This is an epidemiological study of two populations using unfiltered but chlorinated surface-derived drinking water and one population using ground water. In the fall of 2000, filtration and ozonation were initiated at one unfiltered surface water source. No changes were made in the sources or water treatment at the other locations. Cohorts of individuals were assembled from each population and illnesses were tracked using daily illness diaries in three cohorts for six months prior to initiation of filtration (Phase 1) and the same six-month time frame the following year after the implementation of filtration (Phase 2). The three sites included: Site A that was affected by the water treatment change in the fall of 2000, Site B that was served by chlorinated, unfiltered surface water for the entire study period, and Site C that was served by chlorinated and uncontaminated ground water. All sites before and after the treatment changes met the Safe Drinking Water Standards. Sera collected from adults during each phase of the study were analyzed for antibody responses to Cryptosporidia and Giardia by Western blot. Stools collected in Site A during both phases of the study were tested using a polymerase chain reaction (PCR) test for Microsporidia, Cryptosporidium, and Giardia, along with Cryptosporidium IgA antibody by ELISA. Daily illness diaries collected before and after initiation of filtration of the unfiltered drinking water supply were used to estimate the risk of waterborne gastroenteritis. Other information was also collected from Sites A and B to support the study efforts. This information collected during both phases included: 1) emergency department visits, 2) school absences, and 3) water quality data.Versandfertig in 3-5 Tagen, [SC: 0.00]

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Northwest Epidemiologic Enteric Disease Study - F.J. Frost
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F.J. Frost:
Northwest Epidemiologic Enteric Disease Study - nouveau livre

2005, ISBN: 9781843399216

ID: 9781843399216

Northwest Epidemiologic Enteric Disease Study: Paperback: IWA Publishing: 9781843399216: 16 Jun 2005: Aims to estimate the level of infectious gastrointestinal disease attributable to drinking water. This study enrolled three groups of individuals served by different water sources. The approach was to compare rates of enteric illnesses before changes were made in drinking water treatment with enteric illness rates after the change occurred. Past studies suggest that source water quality may be an important predictor of the risk of endemic waterborne infection. However, the relationship between endemic infections and the risk of illness is unclear. A primary goal of the study was to estimate endemic levels of diarrhea and gastrointestinal diseases. The primary objective of the study was to estimate the level of infectious gastrointestinal disease attributable to drinking water. A secondary objective was to determine if drinking-water-attributable endemic levels of gastrointestinal diseases are elevated in a community that uses unfiltered water from a well-protected surface water source. Originally published by AwwaRF for its subscribers in 2004. This publication can also be purchased and downloaded via Pay Per View on Water Intelligence Online - click on the Pay Per View icon below Biochemistry, , , , Northwest Epidemiologic Enteric Disease Study, F.J. Frost, 9781843399216, IWA Publishing, , , , ,

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Northwest Epidemiologic Enteric Disease Study - Frost Jr, Floyd J, and Kunde, Twila R, and Muller, Timothy L
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Frost Jr, Floyd J, and Kunde, Twila R, and Muller, Timothy L:
Northwest Epidemiologic Enteric Disease Study - Livres de poche

2005, ISBN: 9781843399216

ID: 8771138758

Trade paperback, [PU: Awwarf, New. Trade paperback (US). Glued binding. 64 p. Awwa Research Foundation Reports., Trade paperback (US). Glued binding. 64 p. Awwa Research Foundation Reports., STOCKNEW

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Northwest Epidemiologic Enteric Disease Study - Floyd Frost Jr.  J.; Twila Kunde  R.; Timothy Muller   L.
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Floyd Frost Jr. J.; Twila Kunde R.; Timothy Muller L.:
Northwest Epidemiologic Enteric Disease Study - Livres de poche

2005, ISBN: 9781843399216

ID: 6840752

Softcover, Buch, [PU: IWA Publishing]

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Détails sur le livre
Northwest Epidemiologic Enteric Disease Study

Aims to estimate the level of infectious gastrointestinal disease attributable to drinking water. This study enrolled three groups of individuals served by different water sources. The approach was to compare rates of enteric illnesses before changes were made in drinking water treatment with enteric illness rates after the change occurred.

Informations détaillées sur le livre - Northwest Epidemiologic Enteric Disease Study


EAN (ISBN-13): 9781843399216
ISBN (ISBN-10): 1843399210
Livre de poche
Date de parution: 2005
Editeur: AWWARF
64 Pages
Poids: 0,168 kg
Langue: eng/Englisch

Livre dans la base de données depuis 01.07.2007 12:51:40
Livre trouvé récemment le 28.08.2017 15:42:45
ISBN/EAN: 9781843399216

ISBN - Autres types d'écriture:
1-84339-921-0, 978-1-84339-921-6


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