Search Results - "GRACZYK, Thaddeus K"

Mechanical Transmission of Human Protozoan Parasites by Insects by GRACZYK, Thaddeus K, KNIGHT, Ronald, TAMANG, Leena

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Bioaccumulation, Retention, and Depuration of Enteric Viruses by Crassostrea virginica and Crassostrea ariakensis Oysters by Nappier, Sharon P, Graczyk, Thaddeus K, Schwab, Kellogg J

“…Crassostrea ariakensis oysters are under review for introduction into the Chesapeake Bay. However, the human health implications of the introduction have not…”
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Antibiotic resistant enterococci and staphylococci isolated from flies collected near confined poultry feeding operations by Graham, Jay P., Price, Lance B., Evans, Sean L., Graczyk, Thaddeus K., Silbergeld, Ellen K.

“…Use of antibiotics as feed additives in poultry production has been linked to the presence of antibiotic resistant bacteria in farm workers, consumer poultry…”
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The role of birds in dissemination of human waterborne enteropathogens by Graczyk, Thaddeus K, Majewska, Anna C, Schwab, Kellogg J

“…Cryptosporidiosis, giardiasis and microsporidiosis are serious human diseases of waterborne origin; their etiologic agents and a substantial fecal coliform…”
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The role of non-biting flies in the epidemiology of human infectious diseases by Graczyk, Thaddeus K., Knight, Ronald, Gilman, Robert H., Cranfield, Michael R.

“…The feeding and reproductive habits of non-biting synanthropic flies make them important mechanical vectors of human pathogens. Synanthropic flies are major…”
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Efficacy of Pyrvinium Pamoate against Cryptosporidium parvum Infection In Vitro and in a Neonatal Mouse Model by DOWNEY, Autumn S, CHONG, Curtis R, GRACZYK, Thaddeus K, SULLIVAN, David J

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Microsporidian Species Known To Infect Humans Are Present in Aquatic Birds: Implications for Transmission via Water? by SLODKOWICZ-KOWALSKA, Anna, GRACZYK, Thaddeus K, TAMANG, Leena, JEDRZEJEWSKI, Szymon, NOWOSAD, Andrzej, ZDUNIAK, Piotr, SOLARCZYK, Piotr, GIROUARD, Autumn S, MAJEWSKA, Anna C

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Human Enteropathogen Load in Activated Sewage Sludge and Corresponding Sewage Sludge End Products by Graczyk, Thaddeus K, Lucy, Frances E, Tamang, Leena, Miraflor, Allen

“…This study demonstrated a significant reduction in the concentrations of Cryptosporidium parvum and Cryptosporidium hominis oocysts, Giardia lamblia cysts, and…”
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Impact of bathers on levels of Cryptosporidium parvum oocysts and Giardia lamblia cysts in recreational beach waters by Sunderland, Deirdre, Graczyk, Thaddeus K., Tamang, Leena, Breysse, Patrick N.

“…Recreational beach water samples collected on weekends and weekdays during 11 consecutive summer weeks were tested for potentially viable Cryptosporidium…”
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Quantitative Assessment of Contamination of Fresh Food Produce of Various Retail Types by Human-Virulent Microsporidian Spores by Jedrzejewski, Szymon, Graczyk, Thaddeus K, Slodkowicz-Kowalska, Anna, Tamang, Leena, Majewska, Anna C

“…This study demonstrated that fresh food produce, such as berries, sprouts, and green-leafed vegetables, sold at the retail level can contain potentially viable…”
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Propagation of Human Enteropathogens in Constructed Horizontal Wetlands Used for Tertiary Wastewater Treatment by Graczyk, Thaddeus K, Lucy, Frances E, Tamang, Leena, Mashinski, Yessika, Broaders, Michael A, Connolly, Michelle, Cheng, Hui-Wen A

“…Constructed subsurface flow (SSF) and free-surface flow (FSF) wetlands are being increasingly implemented worldwide into wastewater treatments in response to…”
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Maximizing Recovery and Detection of Cryptosporidium parvum Oocysts from Spiked Eastern Oyster (Crassostrea virginica) Tissue Samples by Downey, Autumn S, Graczyk, Thaddeus K

“…Numerous studies have documented the presence of Cryptosporidium parvum, an anthropozoonotic enteric parasite, in molluscan shellfish harvested for commercial…”
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Recovery, Bioaccumulation, and Inactivation of Human Waterborne Pathogens by the Chesapeake Bay Nonnative Oyster, Crassostrea ariakensis by Graczyk, Thaddeus K, Girouard, Autumn S, Tamang, Leena, Nappier, Sharon P, Schwab, Kellogg J

“…The introduction of nonnative oysters (i.e., Crassostrea ariakensis) into the Chesapeake Bay has been proposed as necessary for the restoration of the oyster…”
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Genetic diversity of Cryptosporidium spp. in captive reptiles by Xiao, L, Ryan, U.M, Graczyk, T.K, Limor, J, Li, L, Kombert, M, Junge, R, Sulaiman, I.M, Zhou, L

“…The genetic diversity of Cryptosporidium in reptiles was analyzed by PCR-restriction fragment length polymorphism and sequence analysis of the small subunit…”
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Occurrence of Cryptosporidium and Giardia in sewage sludge and solid waste landfill leachate and quantitative comparative analysis of sanitization treatments on pathogen inactivation by Graczyk, Thaddeus K., Kacprzak, Malgorzata, Neczaj, Ewa, Tamang, Leena, Graczyk, Halshka, Lucy, Frances E., Girouard, Autumn S.

“…Circulation of Cryptosporidum and Giardia in the environment can be facilitated by spreading of sewage sludge on agricultural or livestock grazing lands or…”
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Urban Feral Pigeons (Columba livia) as a Source for Air- and Waterborne Contamination with Enterocytozoon bieneusi Spores by Graczyk, Thaddeus K, Sunderland, Deirdre, Rule, Ana M, da Silva, Alexandre J, Moura, Iaci N.S, Tamang, Leena, Girouard, Autumn S, Schwab, Kellogg J, Breysse, Patrick N

“…This study demonstrated that a person with 30 min of occupational or nonoccupational exposure to urban feral pigeons, such as exposure through the cleaning of…”
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Quantitative Evaluation of the Impact of Bather Density on Levels of Human-Virulent Microsporidian Spores in Recreational Water by Graczyk, Thaddeus K, Sunderland, Deirdre, Tamang, Leena, Shields, Timothy M, Lucy, Frances E, Breysse, Patrick N

“…Microsporidial gastroenteritis, a serious disease of immunocompromised people, can have a waterborne etiology. During summer months, samples of recreational…”
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Rapid Microsphere Assay for Identification of Cryptosporidium hominis and Cryptosporidium parvum in Stool and Environmental Samples by Bandyopadhyay, Kakali, Kellar, Kathryn L, Moura, Iaci, Casaqui Carollo, Maria Cristina, Graczyk, Thaddeus K, Slemenda, Susan, Johnston, Stephanie P, da Silva, Alexandre J

“…Cryptosporidium hominis and Cryptosporidium parvum are associated with massive disease outbreaks worldwide. Because these two species have different…”
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Recent advances in the biology of Echinostoma species in the "revolutum" group by Fried, Bernard, Graczyk, Thaddeus K

“…This review examines the significant literature on the biology of Echinostoma species in the "revolutum" group. We have considered 10 species belonging to this…”
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Risk of Handling as a Route of Exposure to Infectious Waterborne Cryptosporidium parvum Oocysts via Atlantic Blue Crabs (Callinectes sapidus) by Graczyk, Thaddeus K, McOliver, Cynthia, Silbergeld, Ellen K, Tamang, Leena, Roberts, Jennifer D

“…Commercial Atlantic blue crabs (Callinectes sapidus) were exposed to 2.0 x 10⁴ infectious waterborne oocysts of Cryptosporidium parvum. The study demonstrated…”
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