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https://www.readbyqxmd.com/read/29887580/evaluation-of-multinomial-logistic-regression-models-for-predicting-causative-pathogens-of-food-poisoning-cases
#1
Hideya Inoue, Tomoyuki Suzuki, Masashi Hyodo, Masami Miyake
In cases of food poisoning, it is important for food sanitation inspectors to determine the causative pathogen as early as possible and take necessary measures to minimize outbreaks. Interviews are usually conducted to obtain epidemiological information to aid in the rapid determination of the cause. However, the current method of determining the causative pathogen has the disadvantage of being reliant upon the experience and knowledge of food sanitation inspectors. Here, we analyzed 529 infectious food poisoning incidents reported in five municipalities in the Kinki region to develop a tool for evaluation using a multinomial logistic regression model, which can predict the causative pathogen based on the patients' epidemiological information...
June 11, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29878105/characterization-of-staphylococcus-aureus-strains-and-evidence-for-the-involvement-of-non-classical-enterotoxin-genes-in-food-poisoning-outbreaks
#2
Laurentiu-Mihai Ciupescu, Frederic Auvray, Isabela Madalina Nicorescu, Thomas Meheut, Veronica Ciupescu, Anne-Laure Lardeux, Rodica Tanasuica, Jacques-Antoine Hennekinne
To an increasing extent, molecular and genetic characterization is now used to investigate foodborne outbreaks. The aim of this study was to seek molecular links among coagulase-positive staphylococci (CPS) isolated from three recent food poisoning outbreaks in Romania using polymerase chain reaction and pulsed-field gel electrophoresis (PFGE) techniques. Nineteen CPS isolates were identified as Staphylococcus aureus by detection of the 23S rDNA gene. Among them, 15 carried at least one staphylococcal enterotoxin-encoding gene (se)...
June 5, 2018: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29866270/a-film-based-integrated-chip-for-gene-amplification-and-electrochemical-detection-of-pathogens-causing-foodborne-illnesses
#3
Yoo Min Park, Sun Young Lim, Su Jeong Shin, Chi Hyun Kim, Soon Woo Jeong, Seol Yi Shin, Nam Ho Bae, Seok Jae Lee, Jeongkyeong Na, Gyoo Yeol Jung, Tae Jae Lee
Given the increased interest in public hygiene due to outbreaks of food poisoning, increased emphasis has been placed on developing novel monitoring systems for point-of-care testing (POCT) to evaluate pathogens causing foodborne illnesses. Here, we demonstrate a pathogen evaluation system utilizing simple film-based microfluidics, featuring simultaneous gene amplification, solution mixing, and electrochemical detection. To minimize and integrate the various functionalities into a single chip, patterned polyimide and polyester films were mainly used on a polycarbonate housing chip, allowing simple fabrication and alignment, in contrast to conventional polymerase chain reaction, which requires a complex biosensing system at a bench-top scale...
October 16, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29844286/phycotoxins-in-marine-shellfish-origin-occurrence-and-effects-on-humans
#4
REVIEW
Federica Farabegoli, Lucía Blanco, Laura P Rodríguez, Juan Manuel Vieites, Ana García Cabado
Massive phytoplankton proliferation, and the consequent release of toxic metabolites, can be responsible for seafood poisoning outbreaks: filter-feeding mollusks, such as shellfish, mussels, oysters or clams, can accumulate these toxins throughout the food chain and present a threat for consumers' health. Particular environmental and climatic conditions favor this natural phenomenon, called harmful algal blooms (HABs); the phytoplankton species mostly involved in these toxic events are dinoflagellates or diatoms belonging to the genera Alexandrium , Gymnodinium , Dinophysis , and Pseudo-nitzschia ...
May 29, 2018: Marine Drugs
https://www.readbyqxmd.com/read/29772466/research-on-the-contamination-levels-of-norovirus-in-food-facilities-using-groundwater-in-south-korea-2015-2016
#5
Jeong Su Lee, In Sun Joo, Si Yeon Ju, Min Hee Jeong, Yun-Hee Song, Hyo Sun Kwak
Norovirus (NoV) is a major pathogenic virus that is responsible for foodborne and waterborne gastroenteritis outbreaks. Groundwater is an important source of drinking water and is used in agriculture and food manufacturing processes. This study investigated norovirus contamination of groundwater treatment systems at 1360 sites in seven metropolitan areas and nine provinces in 2015-2016. Temperature, pH, residual chlorine, and turbidity content were assessed to analyze the water quality. In 2015, six sites were positive for the presence of NoV (0...
May 11, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29743464/-quantitative-analysis-of-unicapsula-seriolae-in-greater-amberjack-associated-with-unidentified-food-borne-disease
#6
Takahiro Ohnishi, Tetuya Obara, Sakura Arai, Tomoya Yoshinari, Yoshiko Sugita-Konishi
It has been suggested that a myxosporean parasite, Unicapsula seriolae, is responsible for food-borne disease associated with the ingestion of raw greater amberjack. In this study, we quantified U. seriolae in greater amberjack meats involved in food-poisoning episodes. U. seriolae DNA was detected in 26 samples out of 29 samples by means of quantitative real-time PCR(qRT-PCR). The major symptoms were diarrhea and vomiting within 12 hours after consumption. No seasonal trend in the outbreaks was apparent. The number of spores in samples with qRT-PCR-detected U...
2018: Shokuhin Eiseigaku Zasshi. Journal of the Food Hygienic Society of Japan
https://www.readbyqxmd.com/read/29740530/foodborne-illness-outbreaks-in-gyeonggi-province-korea-following-seafood-consumption-potentially-caused-by-kudoa-septempunctata-between-2015-and-2016
#7
Joon Jai Kim, Sukhyun Ryu, Heeyoung Lee
Objectives: Investigations into foodborne illness, potentially caused by Kudoa septempunctata , has been ongoing in Korea since 2015. However, epidemiological analysis reporting and positive K septempunctata detection in feces in Korea has been limited. The aim of this study was to provide epidemiologic data analysis of possible food poisoning caused by K septempunctata in Korea. Methods: This study reviewed 16 Kudoa outbreak investigation reports, including suspected cases between 2015 and 2016 in Gyeonggi province, Korea...
April 2018: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/29710828/molecular-mechanisms-governing-hair-trigger-induction-of-shiga-toxin-encoding-prophages
#8
Dolonchapa Chakraborty, Eric Clark, Steven A Mauro, Gerald B Koudelka
Shiga toxin (Stx)-encoding E. coli (STEC) strains are responsible for sporadic outbreaks of food poisoning dating to 1982, when the first STEC strain, E. coli O157:H7, was isolated. Regardless of STEC serotype, the primary symptoms of STEC infections are caused by Stx that is synthesized from genes resident on lambdoid prophage present in STEC. Despite similar etiology, the severity of STEC-mediated disease varies by outbreak. However, it is unclear what modulates the severity of STEC-mediated disease. Stx production and release is controlled by lytic growth of the Stx-encoding bacteriophage, which in turn, is controlled by the phage repressor...
April 29, 2018: Viruses
https://www.readbyqxmd.com/read/29695528/setup-validation-and-quality-control-of-a-centralized-wgs-laboratory-lessons-learned
#9
Cath Arnold, Kirstin Edwards, Meeta Desai, Steve Platt, Jonathan Green, David Conway
Routine use of Whole Genome analysis for infectious diseases can be used to enlighten various scenarios pertaining to Public Health, including identification of microbial pathogens; relating individual cases to an outbreak of infectious disease; establishing an association between an outbreak of food poisoning and a specific food vehicle; inferring drug susceptibility; source tracing of contaminants and study of variations in the genome affect pathogenicity/virulence. We describe the setup, validation and ongoing verification of a centralised WGS laboratory to carry out the sequencing for these public health functions for the National Infection Services, Public Health England in the UK...
April 25, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29694372/data-quality-and-timeliness-of-outbreak-reporting-system-among-countries-in-greater-mekong-subregion-challenges-for-international-data-sharing
#10
Saranath Lawpoolsri, Jaranit Kaewkungwal, Amnat Khamsiriwatchara, Ly Sovann, Bun Sreng, Bounlay Phommasack, Viengsavanh Kitthiphong, Soe Lwin Nyein, Nyan Win Myint, Nguyen Dang Vung, Pham Hung, Mark S Smolinski, Adam W Crawley, Moe Ko Oo
Cross-border disease transmission is a key challenge for prevention and control of outbreaks. Variation in surveillance structure and national guidelines used in different countries can affect their data quality and the timeliness of outbreak reports. This study aimed to evaluate timeliness and data quality of national outbreak reporting for four countries in the Mekong Basin Disease Surveillance network (MBDS). Data on disease outbreaks occurring from 2010 to 2015 were obtained from the national disease surveillance reports of Cambodia, Lao PDR, Myanmar, and Vietnam...
April 25, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29681897/population-genetic-structure-of-listeria-monocytogenes-strains-isolated-from-the-pig-and-pork-production-chain-in-france
#11
Benjamin Félix, Carole Feurer, Aurelien Maillet, Laurent Guillier, Evelyne Boscher, Annaëlle Kerouanton, Martine Denis, Sophie Roussel
Listeria monocytogenes is an ubiquitous pathogenic bacterium, transmissible to humans through the consumption of contaminated food. The pork production sector has been hit hard by a series of L. monocytogenes -related food poisoning outbreaks in France. An overview of the diversity of strains circulating at all levels of the pork production chain, from pig farming (PF) to finished food products (FFP), is needed to identify the contamination routes and improve food safety. Until now, no typing data has been available on strains isolated across the entire pig and pork production chain...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29680693/inactivation-of-clostridium-perfringens-spores-adhered-onto-stainless-steel-surface-by-agents-used-in-a-clean-in-place-procedure
#12
Yasmeen S Alzubeidi, Pathima Udompijitkul, Prabhat K Talukdar, Mahfuzur R Sarker
Enterotoxigenic Clostridium perfringens, a leading foodborne pathogen can be cross-contaminated from food processing stainless steel (SS) surfaces to the finished food products. This is mostly due to the high resistance of C. perfringens spores adhered onto SS surfaces to various disinfectants commonly used in food industries. In this study, we aimed to investigate the survivability and adherence of C. perfringens spores onto SS surfaces and then validate the effectiveness of a simulated Clean-in-Place (CIP) regime on inactivation of spores adhered onto SS surfaces...
July 20, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29678220/analysis-of-the-vidas-%C3%A2-staph-enterotoxin-iii-set3-for-detection-of-staphylococcal-enterotoxins-g-h-and-i-in-foods
#13
Jennifer M Hait, Angela T Nguyen, Sandra M Tallent
Background : Staphylococcal food poisoning (SFP) frequently causes illnesses worldwide. SFP occurs from the ingestion of staphylococcal enterotoxins (SEs) preformed in foods by enterotoxigenic strains of Staphylococcus species, primarily S. aureus . SEG, SEH, and SEI induce emesis and have been implicated in outbreaks. Immunological-based methods are deemed the most practical methods for the routine analysis of SEs in foods given their ease of use, sensitivity, specificity, and commercial availability. These kits are routinely used to test for SEA-SEE...
April 20, 2018: Journal of AOAC International
https://www.readbyqxmd.com/read/29672479/protracted-outbreak-of-salmonella-newport-infections-linked-to-ground-beef-possible-role-of-dairy-cows-21-states-2016-2017
#14
Katherine E Heiman Marshall, Mackenzie Tewell, Selam Tecle, Molly Leeper, Jennifer Sinatra, Bonnie Kissler, Adrienne Fung, Kerri Brown, Darlene Wagner, Eija Trees, Kelley B Hise, Vishnu Chaturvedi, Linda K Schlater, Brenda R Morningstar-Shaw, Laura Whitlock, Kristin Holt, Karen Becker, Megin Nichols, Ian T Williams, Michael Jhung, Matthew E Wise, Laura Gieraltowski
In January 2017, CDC identified a cluster of Salmonella enterica serotype Newport infections with isolates sharing an indistinguishable pulsed-field gel electrophoresis (PFGE) pattern, JJPX01.0010 (pattern 10), through PulseNet, the national molecular subtyping network for foodborne disease surveillance. This report summarizes the investigation by CDC, state and local health and agriculture departments, and the U.S. Department of Agriculture's Food Safety and Inspection Service (USDA-FSIS) and discusses the possible role of dairy cows as a reservoir for strains of Salmonella that persistently cause human illness...
April 20, 2018: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29669556/bacteria-and-poisonous-plants-were-the-primary-causative-hazards-of-foodborne-disease-outbreak-a-seven-year-survey-from-guangxi-south-china
#15
Yongqiang Li, Yaling Huang, Jijun Yang, Zhanhua Liu, Yanning Li, Xueting Yao, Bo Wei, Zhenzhu Tang, Shidong Chen, Decheng Liu, Zhen Hu, Junjun Liu, Zenghui Meng, Shaofa Nie, Xiaobo Yang
BACKGROUND: Foodborne diseases are a worldwide public health problem. However, data regarding epidemiological characteristics are still lacking in China. We aimed to analyze the characteristics of foodborne diseases outbreak from 2010 to 2016 in Guangxi, South China. METHODS: A foodborne disease outbreak is the occurrence of two or more cases of a similar foodborne disease resulting from the ingestion of a common food. All data are obtained from reports in the Public Health Emergency Report and Management Information System of the China Information System for Disease Control and Prevention, and also from special investigation reports from Guangxi province...
April 18, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29662470/basis-of-virulence-in-enterotoxin-mediated-staphylococcal-food-poisoning
#16
REVIEW
Emilie L Fisher, Michael Otto, Gordon Y C Cheung
The Staphylococcus aureus enterotoxins are a superfamily of secreted virulence factors that share structural and functional similarities and possess potent superantigenic activity causing disruptions in adaptive immunity. The enterotoxins can be separated into two groups; the classical (SEA-SEE) and the newer (SEG-SE l Y and counting) enterotoxin groups. Many members from both these groups contribute to the pathogenesis of several serious human diseases, including toxic shock syndrome, pneumonia, and sepsis-related infections...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29649198/poisoning-due-to-tutin-in-honey-a-report-of-an-outbreak-in-new-zealand
#17
Michael Beasley, Dell Hood, Philippa Anderson, John Reeve, Robin J Slaughter
AIM: In autumn 2008, an outbreak of toxic honey poisoning was identified. The outbreak was not recognised initially until three cases from one family group presented to hospital, with a common factor of recent consumption of locally produced honey. The aim of this study was to investigate potential cases of this honey poisoning and determine which toxin was involved. METHOD: The incident was investigated retrospectively by Waikato District Health Board's Population Health unit and the New Zealand Food Safety Authority (NZFSA)...
April 13, 2018: New Zealand Medical Journal
https://www.readbyqxmd.com/read/29570066/a-high-sensitivity-potentiometric-65-nm-cmos-isfet-sensor-for-rapid-e-coli-screening
#18
Yu Jiang, Xu Liu, Tran Chien Dang, Xiwei Huang, Hao Feng, Qing Zhang, Hao Yu
Foodborne bacteria, inducing outbreaks of infection or poisoning, have posed great threats to food safety. Potentiometric sensors can identify bacteria levels in food by measuring medium's pH changes. However, most of these sensors face the limitation of low sensitivity and high cost. In this paper, we developed a high-sensitivity ion-sensitive field-effect transistor sensor. It is small sized, cost-efficient, and can be massively fabricated in a standard 65-nm complementary metal-oxide-semiconductor process...
April 2018: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/29491240/a-food-poisoning-outbreak-due-to-food-handler-associated-contamination-with-the-human-norovirus-gii-p16-gii-2-variant-strain-in-italian-cuisine-in-tokyo-during-the-2016-17-winter-season
#19
Yoshiko Somura, Fuminori Mizukoshi, Koo Nagasawa, Kana Kimoto, Mayuko Oda, Takayuki Shinkai, Koichi Murakami, Kenji Sadamasu, Kazuhiko Katayama, Hirokazu Kimura
No abstract text is available yet for this article.
March 22, 2018: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29424330/-fish-caused-illness-notify-food-related-outbreaks-to-the-municipal-health-services
#20
G Morroy, D Ooms, H J Jansen, J Dijkstra, K J van Drunen-Kamp, J Batstra-Blokpoel
BACKGROUND: When two or more people fall ill after eating the same food, this is called an outbreak of food poisoning or food-related infection. In the Netherlands, physicians have to notify the Municipal Health Services (GGD) of such outbreaks. The GGD informs the Netherlands Food and Consumer Product Safety Authority (NVWA). CASE DESCRIPTION: Two clusters of scombroid poisoning (histamine poisoning in this case after eating tuna) occurred in one month. Due to the quick reporting of patients by physicians, the GGD and the NVWA immediately tracked down the source...
2018: Nederlands Tijdschrift Voor Geneeskunde
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