Human Enteropathogen Load in Activated Sewage Sludge and Corresponding Sewage Sludge End Products

This study demonstrated a significant reduction in the concentrations of Cryptosporidium parvum and Cryptosporidium hominis oocysts, Giardia lamblia cysts, and spores of human-virulent microsporidia in dewatered and biologically stabilized sewage sludge cake end products compared to those of the res...

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Bibliographic Details
Published in:Applied and Environmental Microbiology 2007-03, Vol.73 (6), p.2013-2015
Main Authors: Graczyk, Thaddeus K, Lucy, Frances E, Tamang, Leena, Miraflor, Allen
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Colony Count, Microbial
Cryptosporidium parvum
Cryptosporidium parvum - isolation & purification
Environmental Microbiology
Fundamental and applied biological sciences. Psychology
Giardia lamblia
Giardia lamblia - isolation & purification
Humans
Microbiology
Microsporidia
Microsporidia - isolation & purification
Parasite Egg Count
Pathology
Protozoa
Sewage - microbiology
Sewage - parasitology
Sludge
Spores, Fungal - isolation & purification
Water Microbiology
Water Purification
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Summary:This study demonstrated a significant reduction in the concentrations of Cryptosporidium parvum and Cryptosporidium hominis oocysts, Giardia lamblia cysts, and spores of human-virulent microsporidia in dewatered and biologically stabilized sewage sludge cake end products compared to those of the respective pathogens in the corresponding samples collected during the sludge activation process.
ISSN:0099-2240
1098-5336
DOI:10.1128/AEM.02412-06