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Outbreak food epidemiology

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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
#1
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
#2
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/29643938/a-hybrid-reference-guided-de-novo-assembly-approach-for-generating-cyclospora-mitochondrion-genomes
#3
G R Gopinath, H N Cinar, H R Murphy, M Durigan, M Almeria, B D Tall, A J DaSilva
Cyclospora cayetanensis is a coccidian parasite associated with large and complex foodborne outbreaks worldwide. Linking samples from cyclosporiasis patients during foodborne outbreaks with suspected contaminated food sources, using conventional epidemiological methods, has been a persistent challenge. To address this issue, development of new methods based on potential genomically-derived markers for strain-level identification has been a priority for the food safety research community. The absence of reference genomes to identify nucleotide and structural variants with a high degree of confidence has limited the application of using sequencing data for source tracking during outbreak investigations...
2018: Gut Pathogens
https://www.readbyqxmd.com/read/29620457/retrospective-study-of-histomoniasis-blackhead-in-california-turkey-flocks-2000-2014
#4
R Hauck, S Stoute, R P Chin, C G Sentíes-Cué, H L Shivaprasad
The flagellate parasite Histomonas meleagridis causes a severe disease in turkeys. Since nitarsone, the last antiflagellate feed additive, was withdrawn from the market, H. meleagridis has gained increasing clinical and economic importance, and frequently entire turkey flocks are lost to the disease. Even before the antiflagellate market withdrawal, H. meleagridis has been recognized as a noteworthy disease in commercial turkeys. The aim of this study was to compile and analyze data on histomoniasis outbreaks diagnosed by the California Animal Health and Food Safety System in the years 2000 through 2014 while nitarsone was still available...
March 2018: Avian Diseases
https://www.readbyqxmd.com/read/29616614/rise-and-fall-of-outbreak-specific-clone-inside-endemic-pulsotype-of-salmonella-4-5-12-i-insights-from-high-resolution-molecular-surveillance-in-emilia-romagna-italy-2012-to-2015
#5
Marina Morganti, Luca Bolzoni, Erika Scaltriti, Gabriele Casadei, Elena Carra, Laura Rossi, Paola Gherardi, Fabio Faccini, Norma Arrigoni, Anna Rita Sacchi, Marco Delledonne, Stefano Pongolini
Background and aimEpidemiology of human non-typhoid salmonellosis is characterised by recurrent emergence of new clones of the pathogen over time. Some clonal lines of Salmonella have shaped epidemiology of the disease at global level, as happened for serotype Enteritidis or, more recently, for Salmonella 4,[5],12:i:-, a monophasic variant of serotype Typhimurium. The same clonal behaviour is recognisable at sub-serotype level where single outbreaks or more generalised epidemics are attributable to defined clones...
March 2018: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/29614246/recurring-outbreaks-caused-by-the-same-salmonella-infantis-clone-in-a-german-rehabilitation-oncology-clinic-over-at-least-2002-to-2009
#6
T Miller, S Brockmann, M Spackova, J Wetzig, C Frank, Y Pfeifer, P G Braun, R Prager, W Rabsch
BACKGROUND: In a rehabilitation clinic in Germany repeated outbreaks of salmonellosis caused by Salmonella Infantis were microbiologically investigated from August 2002 to August 2009. AIM: To identify the sources of transmission and characterize the S. Infantis isolates. METHODS: Associated with these outbreaks, isolates from 98 patients, two kitchen employees, five food samples, four swabs of kitchen facilities, three samples of chicken faeces, and one from sewage water were evaluated by phage typing...
March 31, 2018: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29593690/a-validation-approach-of-an-end-to-end-whole-genome-sequencing-workflow-for-source-tracking-of-listeria-monocytogenes-and-salmonella-enterica
#7
Anne-Catherine Portmann, Coralie Fournier, Johan Gimonet, Catherine Ngom-Bru, Caroline Barretto, Leen Baert
Whole genome sequencing (WGS), using high throughput sequencing technology, reveals the complete sequence of the bacterial genome in a few days. WGS is increasingly being used for source tracking, pathogen surveillance and outbreak investigation due to its high discriminatory power. In the food industry, WGS used for source tracking is beneficial to support contamination investigations. Despite its increased use, no standards or guidelines are available today for the use of WGS in outbreak and/or trace-back investigations...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29574242/comparative-analysis-of-core-genome-mlst-and-snp-typing-within-a-european-salmonella-serovar-enteritidis-outbreak
#8
Madison E Pearce, Nabil-Fareed Alikhan, Timothy J Dallman, Zhemin Zhou, Kathie Grant, Martin C J Maiden
Multi-country outbreaks of foodborne bacterial disease present challenges in their detection, tracking, and notification. As food is increasingly distributed across borders, such outbreaks are becoming more common. This increases the need for high-resolution, accessible, and replicable isolate typing schemes. Here we evaluate a core genome multilocus typing (cgMLST) scheme for the high-resolution reproducible typing of Salmonella enterica (S. enterica) isolates, by its application to a large European outbreak of S...
February 28, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29562878/predicting-risk-of-avian-influenza-a-h5n1-in-egypt-the-creation-of-a-community-level-metric
#9
Ellen C L Geerlings, Claire Heffernan
BACKGROUND: Efficient A(H5N1) control is unlikely to be based on epidemiological data alone. Such control depends on a thorough understanding and appreciation of the interconnectedness of epidemiological, social, and economic factors that contribute to A(H5N1) vulnerability. To date, the control of A(H5N1) in Egypt has been challenging. The disease has been endemic for more than 10 years with a dramatic increase in human cases between December 2014 and March 2015. Part of the problem has been a lack of understanding of the inter-play of drivers, conditions and motives that influence preventive behaviours at the household level...
March 21, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29550730/genotypic-characterization-and-assessment-of-infectivity-of-human-waterborne-pathogens-recovered-from-oysters-and-estuarine-waters-in-brazil
#10
Diego Averaldo Guiguet Leal, Doris Sobral Marques Souza, Karin Silva Caumo, Gislaine Fongaro, Lua Ferreira Panatieri, Maurício Durigan, Marilise Brittes Rott, Célia Regina Monte Barardi, Regina Maura Bueno Franco
Waterborne, food-borne and sewage-borne pathogens are a major global concern, with the annual recurrence, most notably during the summer, of outbreaks of gastroenteritis of unconfirmed etiology associated with recreational activities in marine environments. The consumption of contaminated water-based foodstuffs is also related to outbreaks of human illness. The main goals of the present study were: i) to identify the genetic assemblages of Giardia duodenalis cysts in growing and depurated oysters destined for human consumption on the southern coast of São Paulo, Brazil; ii) to verify the main circulating G...
March 9, 2018: Water Research
https://www.readbyqxmd.com/read/29536831/outbreak-of-febrile-gastroenteritis-caused-by-listeria-monocytogenes-1-2a-in-sliced-cold-beef-ham-italy-may-2016
#11
Cristiana Maurella, Silvia Gallina, Giuseppe Ru, Daniela Adriano, Alberto Bellio, Daniela Manila Bianchi, Laura Chiavacci, Maria Ines Crescio, Margherita Croce, Valeria D'Errico, Maria Franca Dupont, Alessandro Marra, Ubaldo Natangelo, Francesco Pomilio, Angelo Romano, Stefano Stanzione, Teresa Zaccaria, Fabio Zuccon, Maria Caramelli, Lucia Decastelli
In May 2016, two separate clusters of febrile gastroenteritis caused by Listeria monocytogenes were detected by the local health authority in Piedmont, in northern Italy. We carried out epidemiological, microbiological and traceback investigations to identify the source. The people affected were students and staff members from two different schools in two different villages located in the Province of Turin; five of them were hospitalised. The epidemiological investigation identified a cooked beef ham served at the school canteens as the source of the food-borne outbreak...
March 2018: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/29531153/assessing-the-direct-and-indirect-effects-of-food-provisioning-and-nutrient-enrichment-on-wildlife-infectious-disease-dynamics
#12
REVIEW
David J Civitello, Brent E Allman, Connor Morozumi, Jason R Rohr
Anthropogenic resource supplementation can shape wildlife disease directly by altering the traits and densities of hosts and parasites or indirectly by stimulating prey, competitor or predator species. We first assess the direct epidemiological consequences of supplementation, highlighting the similarities and differences between food provisioning and two widespread forms of nutrient input: agricultural fertilization and aquatic nutrient enrichment. We then review an aquatic disease system and a general model to assess whether predator and competitor species can enhance or overturn the direct effects of enrichment...
May 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29491243/an-outbreak-of-foodborne-infection-caused-by-shigella-sonnei-in-west-bengal-india
#13
Falguni Debnath, Asish K Mukhopadhyay, Goutam Choudhury, Rudra Narayan Saha, Shanta Dutta
A foodborne acute gastroenteritis outbreak due to Shigella sonnei infection occurred in a household after having food in a housewarming party of Pakapol Village, South 24 Parganas District of West Bengal, an Indian state in November 2016. Here we report, the epidemiological and microbiological findings of this outbreak. Thirty-four people attended the party on 23rd November 2016 and had lunch together. Median incubation period for development of acute gastroenteritis (AGE) cases from time of food consumption was 18...
February 28, 2018: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29491014/food-borne-outbreak-of-group-g-streptococcal-pharyngitis-in-a-school-dormitory-in-osaka-japan
#14
Takahiro Yamaguchi, Ryuji Kawahara, Chihiro Katsukawa, Masashi Kanki, Tetsuya Harada, Shinya Yonogi, Satomi Iwasaki, Hirokazu Uehara, Saori Okajima, Hiroshi Nishimura, Kazushi Motomura, Masaya Miyazono, Yuko Kumeda, Kentaro Kawatsu
In September 2016, 140 patients with primary symptoms of sore throat and fever were identified in a school dormitory in Osaka, Japan. Epidemiological and laboratory investigations determined that this symptomatic condition was a food-borne outbreak of group G Streptococcus (GGS), with GGS being isolated from samples from patients, cooks and foods. The strain of GGS was identified as Streptococcus dysgalactiae subsp. equisimilis (SDSE) of two emm types ( stG 652.0 and st C36.0). The causative food, a broccoli salad, was contaminated with the two types of SDSE, totaling 1...
February 28, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29488865/farm-to-fork-investigation-of-an-outbreak-of-shiga-toxin-producing-escherichia-coli-o157
#15
Deborah Wilson, Gayle Dolan, Heather Aird, Shirley Sorrell, Timothy J Dallman, Claire Jenkins, Lucy Robertson, Russell Gorton
Fifteen cases of Shiga toxin-producing Escherichia coli (STEC) O157 infection were associated with the consumption of contaminated food from two related butchers' premises in the north-east of England. Ten cases were admitted to hospital and seven cases developed haemolytic uraemic syndrome. A case control study found a statistically significant association with the purchase of raw and/or ready-to-eat (RTE) food supplied by the implicated butchers' shops. Isolates of STEC O157 were detected in two raw lamb burgers taken from one of the butchers' premises...
February 28, 2018: Microbial Genomics
https://www.readbyqxmd.com/read/29472764/an-alternative-approach-for-evaluating-the-phenotypic-virulence-factors-of-pathogenic-escherichia-coli
#16
Kamelia M Osman, Ashgan M Hessain, Usama H Abo-Shama, Zeinab M Girh, Saleh A Kabli, Hassan A Hemeg, Ihab M Moussa
Escherichia coli is a recognized zoonotic food-borne pathogen; however, the use of polymerase chain reaction (PCR) in the underdeveloped countries to differentiate pathogenic from non-pathogenic E. coli is a problematic issue. Our grail was to assess the phenotypic virulence markers motility, hemolysin, congo red agar, embryo lethality assay and serum resistance for pathogenic E. coli (PEC) correlated to PCR tests which is currently used world-wide to evaluate the PEC. The 448 strains of Escherichia coli that were isolated from different sources, were characterized for phenotypic virulence factors such as motility, hemolysin, Congo red binding, Embryo Lethality assay (ELA) and serum resistance, as well as antibiotic susceptibility using disc diffusion method to 23 antibiotics ...
February 2018: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/29468650/hepatitis-e-virus-key-points-for-the-clinical-haematologist
#17
REVIEW
Joanne O'Gorman, Áine Burke, Niamh O'Flaherty
In recent years there has been a paradigm shift in our understanding of the epidemiology and clinical features of hepatitis E virus (HEV) infection. Once classically described as an acute hepatitis associated with waterborne outbreaks in areas of poor sanitation, HEV is now recognised to be endemic in Europe and is probably zoonotic in origin. Evidence for transfusion-transmitted HEV has prompted the introduction of blood donor screening in a number of countries, but the risk to the haematology patient from food sources remains...
February 21, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29420758/moulds-associated-with-contaminated-ocular-and-injectable-drugs-fda-recalls-epidemiology-considerations-drug-shortages-and-aseptic-processing
#18
Donald G Ahearn, R Doyle Stulting
Recent (2012) grave but rare outbreaks of fungal meningitis and endophthalmitis associated with drugs contaminated with select environmental moulds (Exserohilum and Fusarium, respectively) have exacerbated mycology concerns for formulation, good laboratory practices (GLP), and use of the final drug product. Intensified investigations (2013-2015) by the Food and Drug Administration (FDA) that included added responsibilities for specialty compounding laboratories have prompted at least nine voluntary mould-related drug recalls during 2014-2015...
October 9, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29397049/web-survey-based-selection-of-controls-for-epidemiological-analyses-of-a-multi-prefectural-outbreak-of-enterohaemorrhagic-escherichia-coli-o157-in-japan-associated-with-consumption-of-self-grilled-beef-hanging-tender
#19
Y Yahata, N Ohshima, F Odaira, N Nakamura, H Ichikawa, K Matsuno, J Shuri, T Toyozawa, J Terajima, H Watanabe, K Nakashima, T Sunagawa, K Taniguchi, N Okabe
An outbreak of enterohaemorrhagic Escherichia coli O157 occurred in multiple prefectures of Japan in November 2009. We conducted two case-control studies with trace-back and trace-forward investigations to determine the source. The case definition was met by 21 individuals; 14 (66.7%) were hospitalised, but no haemolytic uraemic syndrome, acute encephalopathy or deaths occurred. Median age was 23 (range 12-48) years and 14 cases were male (66.7%). No significant associations with food were found in a case-control study by local public health centres, but our matched case-control study using Internet surveys found that beef hanging tender (or hanger steak), derived from the diaphragm of the cattle, was significantly associated with illness (odds ratio = 15...
February 5, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29366468/evaluation-of-wgs-based-approaches-for-investigating-a-food-borne-outbreak-caused-by-salmonella-enterica-serovar-derby-in-germany
#20
Sandra Simon, Eva Trost, Jennifer Bender, Stephan Fuchs, Burkhard Malorny, Wolfgang Rabsch, Rita Prager, Erhard Tietze, Antje Flieger
In Germany salmonellosis still represents the 2nd most common bacterial foodborne disease. The majority of infections are caused by Salmonella (S.) Typhimurium and S. Enteritidis followed by a variety of other broad host-range serovars. Salmonella Derby is one of the five top-ranked serovars isolated from humans and it represents one of the most prevalent serovars in pigs, thus bearing the potential risk for transmission to humans upon consumption of pig meat and products thereof. From November 2013 to January 2014 S...
May 2018: Food Microbiology
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