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https://www.readbyqxmd.com/read/30340114/probabilistic-risk-model-of-norovirus-transmission-during-handling-and-preparation-of-fresh-produce-in-school-foodservice-operations
#1
Fernando Pérez-Rodríguez, Junehee Kwon, Araceli Bolívar, Kevin Sauer, Dojin Ryu, Ewen Todd
Human noroviruses (NoV) are recognized worldwide as important pathogens and the primary cause of foodborne disease outbreaks from contaminated food in the U.S. They are often transmitted by infected food handlers manipulating foods during preparation, such as fresh fruits and vegetables. This paper provides a study to model the transfer of NoV between food handlers and vegetables during salad preparation in school food services based on direct observation data. Three transfer pathways were modeled by considering different initial contamination sources (environment, handlers and contaminated produce)...
October 3, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/30321463/an-agent-based-model-for-pathogen-persistence-and-cross-contamination-dynamics-in-a-food-facility
#2
Amir Mokhtari, Jane M Van Doren
We used an agent-based modeling (ABM) framework and developed a mathematical model to explain the complex dynamics of microbial persistence and spread within a food facility and to aid risk managers in identifying effective mitigation options. The model explicitly considered personal hygiene practices by food handlers as well as their activities and simulated a spatially explicit dynamic system representing complex interaction patterns among food handlers, facility environment, and foods. To demonstrate the utility of the model in a decision-making context, we created a hypothetical case study and used it to compare different risk mitigation strategies for reducing contamination and spread of Listeria monocytogenes in a food facility...
October 15, 2018: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/30257446/customers-knowledge-attitude-and-practices-towards-food-hygiene-and-safety-standards-of-handlers-in-food-facilities-in-hanoi-vietnam
#3
Anh Tuan Le Nguyen, Bach Xuan Tran, Huong Thi Le, Xuan Thanh Thi Le, Khanh Nam Do, Hoa Thi Do, Giang Thu Vu, Long Hoang Nguyen, Carl A Latkin, Cyrus S H Ho, Roger C M Ho
Efforts to prevent foodborne illnesses in food facilities require sufficient knowledge on hygiene and safety standards from both food processors and customers. However, studies about knowledge, attitude, and practices of customers towards these issues are constrained. This study explored the knowledge, attitude, and practices (KAP) of customers regarding the practices of food facilities as well as potential associated factors. A cross-sectional survey was conducted in Hanoi from September to October 2015. Questions about knowledge, attitude, and practice towards food hygiene and safety were asked, alongside sociodemographic characteristics...
September 25, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/30197459/cetylpyridinium-chloride-direct-spray-treatments-reduce-salmonella-on-cantaloupe-rough-surfaces
#4
Raúl O Saucedo-Alderete, Joseph D Eifert, Renee R Boyer, Robert C Williams, Gregory E Welbaum
Cetylpyridinium chloride (CPC) solutions (0, 0.5, or 1.0%) were applied to cantaloupe ("Athena" and "Hale's Best Jumbo" cultivars) rind plugs, either before or after inoculation with a broth culture of Salmonella Michigan (109 CFU/mL) and held at 37°C for 1 or 24 hr. Rind plugs were diluted, shaken, and sonicated, and solutions were enumerated. Texture quality and color were evaluated over 14 days storage at 4°C after 0 and 1% CPC spray applications. A 0.5 or 1.0% (vol/vol) application of CPC after Salmonella reduced the pathogen levels between 2...
August 2018: Journal of Food Safety
https://www.readbyqxmd.com/read/30167309/prevalence-and-associated-factors-of-intestinal-parasitic-infections-among-asymptomatic-food-handlers-working-at-haramaya-university-cafeterias-eastern-ethiopia
#5
Dadi Marami, Konjit Hailu, Moti Tolera
Background: Intestinal parasitic infections are major public health problems worldwide, with high prevalence in low income countries where substandard food hygiene practices are common. Asymptomatic food handlers with poor personal hygiene could be potential sources of parasitic infections. This study was aimed to assess the prevalence of intestinal parasitic infections and associated factors among asymptomatic food handlers working at Haramaya University cafeterias, eastern Ethiopia...
2018: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/30144555/prevalence-and-antimicrobial-susceptibility-pattern-of-salmonella-and-shigella-among-food-handlers-in-catering-establishments-at-debre-markos-university-northwest-ethiopia
#6
Abeba Mengist, Getachew Mengistu, Alemayehu Reta
BACKGROUND: Food-borne diseases are a major health problem in developing countries including Ethiopia. This study determined the prevalence and antibiotic susceptibility patterns of Shigella and Salmonella among food handlers working in student and staff food service establishments at Debre Markos University. METHODS: A laboratory-based cross-sectional study was conducted among 220 food handlers from January 2015 to June 2016. Stool and fingernail samples from the subjects were cultured on bacteriological culture medium, and Shigella and Salmonella were isolated and identified following standard procedures...
October 2018: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/30109958/foodborne-and-food-handler-norovirus-outbreaks-a-systematic-review
#7
Joanne L Hardstaff, Helen E Clough, Vittoria Lutje, K Marie McIntyre, John P Harris, Paul Garner, Sarah J O'Brien
Norovirus (NoV) is the commonest cause of gastrointestinal disease in the United Kingdom and in many developed countries, causing diarrhea and vomiting in millions of cases worldwide annually. Transmission is most often mediated from person to person. NoV infection has, however, additionally been associated with the consumption of food, either through the consumption of food contaminated at source such as seafood, berries, and salad, or as a consequence of the foodstuff being contaminated in some way by a food handler during processing or serving...
August 15, 2018: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/30102698/prevalence-and-risk-factors-for-faecal-carriage-of-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-among-food-handlers-in-lower-basic-schools-in-west-coast-region-of-the-gambia
#8
Bakary Sanneh, Abou Kebbeh, Haruna S Jallow, Yaya Camara, Lusubilo Witson Mwamakamba, Ida Fatou Ceesay, Ebrima Barrow, Fatou O Sowe, Sana M Sambou, Ignatius Baldeh, Alpha Jallow, Matheu Alvarez Jorge Raul, Antoine Andremont
BACKGROUND: The isolation of Extended spectrum βlactamase (ESBLs) producing Enterobacteriaceae among food handlers and their implication as sources of food borne outbreaks are a public health concern. This study seeks to investigate the prevalence of faecal carriage of these bacteria among food handlers in the West Coast Region of The Gambia. METHOD: This study enrolled 600 participants from 60 Lower Basic Schools in West Coast Region of the country. Stool samples collected from the participants were presumptively screened for the ESBLs producing Enterobacteriaceae, using Drigalski agar, supplemented with 2mg/L cefotaxime...
2018: PloS One
https://www.readbyqxmd.com/read/30089220/prevalence-molecular-characterization-and-antimicrobial-susceptibility-of-methicillin-resistant-staphylococcus-aureus-from-different-origins-in-sichuan-province-china-2007-2015
#9
Xiaorong Yang, Jun Liu, Yulan Huang, Jiantong Meng, Gaopeng Lei, Yong Jia, Weifeng Huang, Yong Wang, Lin Zhang, Hong Lv, Shusen He
Methicillin-resistant Staphylococcus aureus (MRSA) is a major multidrug-resistant (MDR) opportunistic pathogen that is responsible for nosocomial infections worldwide. The emergence of MRSA in food-producing animals has heightened concerns regarding the presence of MRSA in foods having an animal origin. The objectives of this study were to determine the prevalence of MRSA in different sources, including retail food, food-producing animals, and food handlers in Sichuan province. During 2007-2015, S. aureus was isolated from samples having different origins...
August 8, 2018: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/30075465/foodborne-viruses-detection-risk-assessment-and-control-options-in-food-processing
#10
REVIEW
Albert Bosch, Elissavet Gkogka, Françoise S Le Guyader, Fabienne Loisy-Hamon, Alvin Lee, Lilou van Lieshout, Balkumar Marthi, Mette Myrmel, Annette Sansom, Anna Charlotte Schultz, Anett Winkler, Sophie Zuber, Trevor Phister
In a recent report by risk assessment experts on the identification of food safety priorities using the Delphi technique, foodborne viruses were recognized among the top rated food safety priorities and have become a greater concern to the food industry over the past few years. Food safety experts agreed that control measures for viruses throughout the food chain are required. However, much still needs to be understood with regard to the effectiveness of these controls and how to properly validate their performance, whether it is personal hygiene of food handlers or the effects of processing of at risk foods or the interpretation and action required on positive virus test result...
June 8, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/30072591/risk-factors-for-transport-related-problem-behaviors-in-horses-a-new-zealand-survey
#11
Barbara Padalino, Chris W Rogers, Danielle Guiver, Janis P Bridges, Christopher B Riley
Transport-related problem behaviors (TRPBs) are common in horses and can cause injury to both the horses and their handlers. This study aimed to identify possible risk factors for TRPBs to inform approaches to mitigate TRPBs incidence and enhance horse welfare. An online cross-sectional survey was conducted to explore the prevalence of TRPBs and their association with human-, training- and transport management-related factors in New Zealand. The survey generated 1124 valid responses that were analyzed using descriptive statistics, and logistic regression analyses...
August 2, 2018: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/30050612/risk-factors-for-transmission-of-salmonella-typhi-in-mahama-refugee-camp-rwanda-a-matched-case-control-study
#12
Jose Nyamusore, Marie Rosette Nahimana, Candide Tran Ngoc, Olushayo Olu, Ayodeji Isiaka, Vedaste Ndahindwa, Lakruwan Dassanayake, André Rusanganwa
Introduction: In early October 2015, the health facility in Mahama, a refugee camp for Burundians, began to record an increase in the incidence of a disease characterized by fever, chills and abdominal pain. The investigation of the outbreak confirmed Salmonella Typhi as the cause. A case-control study was conducted to identify risk factors for the disease. Methods: A retrospective matched case-control study was conducted between January and February 2016. Data were obtained through a survey of matched cases and controls, based on an epidemiological case definition and environmental assessment...
2018: Pan African Medical Journal
https://www.readbyqxmd.com/read/30047371/typhoid-fever-in-chile-1969-2012-analysis-of-an-epidemic-and-its-control
#13
Claudia Marco, Iris Delgado, Claudio Vargas, Ximena Muñoz, Zulfiqar A Bhutta, Catterina Ferreccio
From 1975 to 1983, a large epidemic of typhoid fever (TF) affected the metropolitan region (MR) of Chile (incidence rate [IR] of 219.6 per 105 in 1983). In 1983-1984, interventions were implemented focusing on person-to-person transmission (vaccination, food handlers' control, and mass communication) and regulations to control irrigation waters containing fecal contaminates. In 1991, a second intervention was quickly implemented to avoid the cholera epidemic affecting neighboring countries (total prohibition of growing or selling crops in the MR)...
September 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/30047365/implementation-of-interventions-for-the-control-of-typhoid-fever-in-low-and-middle-income-countries
#14
Raluca Barac, Daina Als, Amruta Radhakrishnan, Michelle F Gaffey, Zulfiqar A Bhutta, Melanie Barwick
Past research has focused on typhoid fever surveillance with little attention to implementation methods or effectiveness of control interventions. This study purposefully sampled key informants working in public health in Chile, India, Pakistan, Bangladesh, Thailand, Vietnam, South Africa, and Nigeria to 1) scope typhoid-relevant interventions implemented between 1990 and 2015 and 2) explore contextual factors perceived to be associated with their implementation, based on the Consolidated Framework for Implementation Research (CFIR)...
September 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/30041687/burden-of-intestinal-pathogens-and-associated-factors-among-asymptomatic-food-handlers-in-south-ethiopia-emphasis-on-salmonellosis
#15
Fithamlak Bisetegen Solomon, Fiseha Wadilo Wada, Antehun Alemayehu Anjulo, Hailu Chare Koyra, Efrata Girma Tufa
OBJECTIVE: The study aims to assess the burden of intestinal parasites and Salmonellosis among asymptomatic food handlers at meal serving facilities in Sodo town. Antibiotic resistance was also common and increasing among Salmonella isolates with multidrug resistance as current concern. RESULT: Community based cross-sectional study was carried out from 387 food handlers working in meal serving facilities. Food handlers, 159(41%) had one or more intestinal parasites...
July 24, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/30020548/economically-motivated-food-fraud-and-adulteration-in-brazil-incidents-and-alternatives-to-minimize-occurrence
#16
REVIEW
Casiane Salete Tibola, Simone Alves da Silva, Alvaro Augusto Dossa, Diego Inácio Patrício
Brazil is one of the world's largest food producers. Adulteration of foods is often reported and represent an important potential threat to food safety. Because of this, reduction of the vulnerability of foods to adulteration is of high priority to Brazil. This study analyzes economically motivated food fraud and adulterations in Brazil between 2007 and 2017, based on academic journal reports. In addition, alternatives are proposed to minimize these incidents through good practices, traceability systems and the development of methods to detect food fraud and adulteration...
August 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29983931/prevalence-of-antibiotic-resistant-escherichia-coli-isolates-from-fecal-samples-of-food-handlers-in-qatar
#17
Nahla O Eltai, Hadi M Yassine, Asmaa A Al Thani, Marwan A Abu Madi, Ahmed Ismail, Emad Ibrahim, Walid Q Alali
Background: It is well documented that food handlers harbor and shed enteric foodborne pathogens causing foodborne disease outbreaks. However, little known on enteric antibiotic resistant (AR) bacteria carriage in food handlers. The objective of this study was to establish a baseline prevalence of fecal AR E. coli among food handlers in Qatar. Methods: Fecal samples were collected from 456 migrant food handlers of different nationalities arriving in Qatar on a work permit between January 2015 and December 2016...
2018: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/29963922/wearable-technology-effects-on-training-outcomes-of-restaurant-food-handlers
#18
Jeffrey Clark, Phil Crandall, Jessica Shabatura
Food safety training does not always result in behavior change, perhaps because of flaws inherent in traditional training designs. New technologies such as augmented reality headsets or head-mounted action cameras could transform the way food safety training is conducted in the food industry. Training conducted with wearable technology presents visual content in the first-person or actor's perspective, as opposed to the traditional third-person or observer perspective. This visual hands-on first-person perspective may provide an effective way of conveying information and encouraging behavior execution because it uses the mirror neuron system...
August 2018: Journal of Food Protection
https://www.readbyqxmd.com/read/29941064/national-outbreak-of-salmonella-give-linked-to-a-local-food-manufacturer-in-malta-october-2016
#19
A Donachie, T Melillo, L Bubba, H Hartman, M-L Borg
Salmonella Give is a rare serotype across Europe. In October 2016, a national outbreak of S. Give occurred in Malta. We describe the epidemiological, environmental, microbiological and veterinary investigations. Whole-genome sequencing (WGS) was performed on human, food, environmental and veterinary isolates. Thirty-six human cases were reported between October and November 2016, 10 (28%) of whom required hospitalisation. Twenty-six (72%) cases were linked to four restaurants. S. Give was isolated from ready-to-eat antipasti served by three restaurants which were all supplied by the same local food manufacturer...
August 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29939791/identification-of-biological-hazards-in-produce-consumed-in-industrialized-countries-a-review
#20
Min Li, Christopher A Baker, Michelle D Danyluk, Philippe Belanger, Frank Boelaert, Peter Cressey, Mihaela Gheorghe, Ben Polkinghorne, Hajime Toyofuku, Arie H Havelaar
Microbial contamination of fresh produce (fresh fruits and vegetables) poses serious public health concerns worldwide. This study was conducted as a comprehensive analysis of biological hazards in the global fresh produce chain. Data about produce-related outbreaks and illness were collected from the annual reports and databases of foodborne outbreak surveillance systems in different regions and countries from 2010 to 2015. The global patterns of and regional differences in documented outbreaks and cases were analyzed, and produce commodities and pathogens of greatest concern were identified...
July 2018: Journal of Food Protection
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