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Gabrielle Jones, Nathalie Pihier, Caroline Vanbockstael, Simon Le Hello, Sabrina Cadel Six, Nelly Fournet, Nathalie Jourdan-da Silva
A prolonged outbreak of Salmonella enterica serotype Enteritidis occurred in northern France between December 2014 and April 2015. Epidemiological investigations following the initial notification on 30 December 2014 of five cases of salmonellosis (two confirmed S. Enteritidis) in young children residing in the Somme department revealed that all cases frequented the same food bank A. Further epidemiological, microbiological and food trace-back investigations indicated frozen beefburgers as the source of the outbreak and the suspected lot originating from Poland was recalled on 22 January 2015...
October 6, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
T C Anderson, N Marsden-Haug, J F Morris, W Culpepper, N Bessette, J K Adams, S Bidol, S Meyer, J Schmitz, M M Erdman, T M Gomez, C Barton Behravesh
Zoonotic Salmonella infections cause approximately 130 000 illnesses annually in the United States. Of 72.9 million US households owning at least one pet, five million own small mammals; 3000 hedgehogs were documented by USDA in USDA-licensed breeding facilities and pet stores in 2012. State health department collaborators and PulseNet, the national bacterial subtyping network, identified human infections of a Salmonella Typhimurium outbreak strain, which were investigated by CDC, USDA-APHIS and state public and animal health officials...
October 13, 2016: Zoonoses and Public Health
Du-San Back, Gee-Wook Shin, Mitchell Wendt, Gang-Joon Heo
Pet turtles are known as a source of Salmonella infection to humans when handled in captivity. Thirty four turtles purchased from pet shops and online markets in Korea were examined to determine whether the turtles and their environment were contaminated with Salmonella spp. Salmonella spp. were isolated from fecal samples of 17 turtles. These isolates were identified as S. enterica through 16S rRNA gene sequencing. The isolation rate of Salmonella spp. from the soil and water samples increased over time. We concluded that a high percentage of turtles being sold in pet shops were infected with Salmonella spp...
September 2016: Laboratory Animal Research
S Y Youn, O M Jeong, B K Choi, S C Jung, M S Kang
Raw chicken products are major causes of human foodborne salmonellosis worldwide. In particular, there is a significant risk of human exposure to Salmonella originating from the chicken slaughtering process. Controlling the contamination of chicken carcasses by Salmonella has been a considerable challenge in chicken-slaughtering facilities and involves routine microbiological monitoring using reliable detection methods. Simple and rapid detection methods, particularly those capable of determining cell viability, will significantly facilitate routine monitoring of Salmonella Here, we report an invA-based loop-mediated isothermal amplification method coupled with a simple propidium monoazide treatment (PMA-LAMP) for simple and rapid detection and quantification of viable Salmonella in rinse water of chicken carcasses...
September 24, 2016: Poultry Science
Jennifer Ronholm, Nicholas Petronella, Sandeep Tamber
A 2014 foodborne salmonellosis outbreak in Canada and the United States implicated, for the first time, sprouted chia seed powder as the vehicle of transmission. Here, we report the draft whole genome sequences of two Salmonella enterica strains isolated from sprouted powders related to the aforementioned outbreak.
2016: Genome Announcements
Fernanda Almeida, Marta Inês Cazentini Medeiros, Dália Prazeres Rodrigues, Justin Payne, Ruth E Timme, Marc W Allard, Juliana Pfrimer Falcão
Salmonellosis is an important health problem worldwide and Salmonella enterica serovar Typhimurium is one of the most common isolated serovars. Here, we reported the draft genomes of 40 S Typhimurium strains isolated from humans and food in Brazil. These draft genomes will improve phylogenetic analysis and will help enhance our understanding of strains of this serovar isolated in Brazil.
2016: Genome Announcements
Vahid Amini, Hossein Kazemian, Jalil Kardan Yamchi, Seifu Gizaw Feyisa, Saeed Aslani, Aref Shavalipour, Hamidreza Houri, Mohammadneshvan Hoorijani, Mehrdad Halaji, Hamid Heidari
BACKGROUND: Salmonella enterica serovar Typhimurium (S. Typhimurium) causes gastroenteritis in humans and paratyphoid disease in some animals. Given the emergence of antibiotic resistance, vaccines are more effective than chemotherapy in disease control. OBJECTIVES: The aim of this experimental study was to evaluate the immunogenicity of diphtheria toxoid (DT) conjugated with S. Typhimurium -derived OPS (O side chain isolation) in mice to determine its potential as a vaccine candidate against salmonellosis...
July 2016: Iranian Red Crescent Medical Journal
Colin Basler, Thai-An Nguyen, Tara C Anderson, Thane Hancock, Casey Barton Behravesh
Backyard poultry flocks have increased in popularity concurrent with an increase in live poultry-associated salmonellosis (LPAS) outbreaks. Better understanding of practices that contribute to this emerging public health issue is needed. We reviewed outbreak reports to describe the epidemiology of LPAS outbreaks in the United States, examine changes in trends, and inform prevention campaigns. LPAS outbreaks were defined as ≥2 culture-confirmed human Salmonella infections linked to live poultry contact. Outbreak data were obtained through multiple databases and a literature review...
October 2016: Emerging Infectious Diseases
Laura Gieraltowski, Jeffrey Higa, Vi Peralta, Alice Green, Colin Schwensohn, Hilary Rosen, Tanya Libby, Bonnie Kissler, Nicola Marsden-Haug, Hillary Booth, Akiko Kimura, Julian Grass, Amelia Bicknese, Beth Tolar, Stephanie Defibaugh-Chávez, Ian Williams, Matthew Wise
IMPORTANCE: This large outbreak of foodborne salmonellosis demonstrated the complexity of investigating outbreaks linked to poultry products. The outbreak also highlighted the importance of efforts to strengthen food safety policies related to Salmonella in chicken parts and has implications for future changes within the poultry industry. OBJECTIVE: To investigate a large multistate outbreak of multidrug resistant Salmonella Heidelberg infections. DESIGN: Epidemiologic and laboratory investigations of patients infected with the outbreak strains of Salmonella Heidelberg and traceback of possible food exposures...
2016: PloS One
Elmoubasher Farag, Humberto Guanche Garcell, Nandakumar Ganesan, Shazia Nadeem N Ahmed, Mohammed Al-Hajri, Shk Mohammed Hamad J Al Thani, Salih Ali Al-Marri, Emad Ibrahim, Hamad Eid Al-Romaihi
BACKGROUND: Salmonella is a food- and water-borne pathogen that can be easily spread in a population, leading to the outbreak of salmonellosis that is caused by ingestion of mixed salads contaminated by the pathogen. Most cases occur in the late spring months and can be seen as single cases, clusters, or episodes. OBJECTIVE: The aim of this study was to describe the incidence and epidemiological characteristics of salmonellosis in the State of Qatar. METHODS: This was a retrospective, descriptive study carried out in laboratory-confirmed cases of salmonellosis during 2004-2012 from all Salmonella surveillance centers...
2016: Qatar Medical Journal
Anastasia Phillips, Cristina Sotomayor, Qinning Wang, Nadine Holmes, Catriona Furlong, Kate Ward, Peter Howard, Sophie Octavia, Ruiting Lan, Vitali Sintchenko
BACKGROUND: Salmonella Typhimurium (STM) is an important cause of foodborne outbreaks worldwide. Subtyping of STM remains critical to outbreak investigation, yet current techniques (e.g. multilocus variable number tandem repeat analysis, MLVA) may provide insufficient discrimination. Whole genome sequencing (WGS) offers potentially greater discriminatory power to support infectious disease surveillance. METHODS: We performed WGS on 62 STM isolates of a single, endemic MLVA type associated with two epidemiologically independent, food-borne outbreaks along with sporadic cases in New South Wales, Australia, during 2014...
2016: BMC Microbiology
Maria Baka, Davy Verheyen, Nicolas Cornette, Stijn Vercruyssen, Jan F Van Impe
The limited knowledge concerning the influence of food (micro)structure on microbial dynamics decreases the accuracy of the developed predictive models, as most studies have mainly been based on experimental data obtained in liquid microbiological media or in/on real foods. The use of model systems has a great potential when studying this complex factor. Apart from the variability in (micro)structural properties, model systems vary in compositional aspects, as a consequence of their (micro)structural variation...
August 3, 2016: International Journal of Food Microbiology
Alison E Mather, Becki Lawson, Elizabeth de Pinna, Paul Wigley, Julian Parkhill, Nicholas R Thomson, Andrew J Page, Mark A Holmes, Gavin K Paterson
: Passerine salmonellosis is a well-recognised disease of birds in the order Passeriformes, including common songbirds such as finches and sparrows, caused by infection with Salmonella enterica serovar Typhimurium. Previous research has suggested that some subtypes of S. Typhimurium - definitive phage types (DT) 40, 56 variant, and 160 - are host-adapted to passerines, and that these birds may represent a reservoir of infection for humans and other animals. Here, we have used whole genome sequences of 11 isolates from British passerines, five isolates of similar DTs from humans and a domestic cat, and previously published S...
September 9, 2016: Applied and Environmental Microbiology
Kristin J Bondo, David L Pearl, Nicol Janecko, Patrick Boerlin, Richard J Reid-Smith, Jane Parmley, Claire M Jardine
Salmonella has been detected in the feces of many wildlife species, including raccoons (Procyon lotor), but little is known about the epidemiology of Salmonella in wildlife living in different habitat types. Our objective was to investigate demographic, temporal, and climatic factors associated with the carriage of Salmonella in raccoons and their environment on swine farms and conservation areas. Using a repeated cross-sectional study design, we collected fecal samples from raccoons and environmental samples (soil, manure pits, dumpsters) on 5 swine farms and 5 conservation areas in Ontario, Canada once every five weeks from May to November, 2011-2013...
2016: PloS One
Andreas Schmidt, Wolfgang Rabsch, Nina K Broeker, Stefanie Barbirz
BACKGROUND: Non-typhoid Salmonella Typhimurium (S. Typhimurium) accounts for a high number of registered salmonellosis cases, and O-serotyping is one important tool for monitoring epidemiology and spread of the disease. Moreover, variations in glucosylated O-antigens are related to immunogenicity and spread in the host. However, classical autoagglutination tests combined with the analysis of specific genetic markers cannot always reliably register phase variable glucose modifications expressed on Salmonella O-antigens and additional tools to monitor O-antigen glucosylation phenotypes of S...
2016: BMC Microbiology
Kristi L Helke, M A McCrackin, Ashley M Galloway, Ann Z Poole, Cassandra D Salgado, Bernadette P Marriott
Controversy continues concerning antimicrobial use in food animals and its relationship to drug-resistant infections in humans. We systematically reviewed published literature for evidence of a relationship between antimicrobial use in agricultural animals and drug-resistant meat or dairy-borne non-typhoidal salmonellosis in humans. Based on publications from the United States (U.S.), Canada, and Denmark from January 2010 to July 2014, 858 articles received title and abstract review, 104 met study criteria for full article review with 68 retained for which data are presented...
September 7, 2016: Critical Reviews in Food Science and Nutrition
Sruti Chattopadhyay, Avneet Kaur, Swati Jain, Prabhjot K Sabharwal, Harpal Singh
Rapid detection and enumeration of pathogens is essential for monitoring contamination and spoilage of food products to ensure improved quality control management. Functionalized polymeric magnetic nanoconstructs (FPMNCs) were developed as an effective immunomagnetic separator and sensing platform for the selective capturing of Salmonella typhimurium. Novel FPMNCs were prepared in three stages involving synthesis of iron oxide (IO) dispersion, capping with sodium oleate and encapsulation of preformed IO nanoparticles by in-situ free radical emulsion polymerization of styrene (St), methyl methacrylate (MMA) and acetoacetoxy ethylmethacrylate (AAEM)...
September 21, 2016: Analytica Chimica Acta
Lapo Mughini-Gras, Max Heck, Wilfrid van Pelt
While the contribution of the main food-related sources to human salmonellosis is well documented, knowledge on the contribution of reptiles is limited. We quantified and examined trends in reptile-associated salmonellosis in the Netherlands during a 30-year period, from 1985 to 2014. Using source attribution analysis, we estimated that 2% (95% confidence interval: 1.3-2.8) of all sporadic/domestic human salmonellosis cases reported in the Netherlands during the study period (n = 63,718) originated from reptiles...
August 25, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
K B Gibney, A C Cheng, R Hall, K Leder
We reviewed the first 21 years (1991-2011) of Australia's National Notifiable Diseases Surveillance System (NNDSS). All nationally notified diseases (except HIV/AIDS and Creutzfeldt-Jakob disease) were analysed by disease group (n = 8), jurisdiction (six states and two territories), Indigenous status, age group and notification year. In total, 2 421 134 cases were analysed. The 10 diseases with highest notification incidence (chlamydial infection, campylobacteriosis, varicella zoster, hepatitis C, influenza, pertussis, salmonellosis, hepatitis B, gonococcal infection, and Ross River virus infection) comprised 88% of all notifications...
November 2016: Epidemiology and Infection
S I Smith, A Seriki, A Ajayi
Salmonella infections in humans can range from self-limiting gastroenteritis typically associated with non-typhoidal Salmonella (NTS) to typhoidal fever, which can be life-threatening. Salmonellosis causes considerable morbidity and mortality in both humans and animals, and has a significant socioeconomic impact worldwide. In Africa, it is difficult to evaluate the situation of salmonellosis due to the non-availability of facilities capable of performing the tests essential for the diagnosis of typhoidal and non-typhoidal Salmonella infections...
August 25, 2016: European Journal of Clinical Microbiology & Infectious Diseases
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