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Outbreak food epidemiology

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https://www.readbyqxmd.com/read/28725217/metagenomics-the-next-culture-independent-game-changer
#1
REVIEW
Jessica D Forbes, Natalie C Knox, Jennifer Ronholm, Franco Pagotto, Aleisha Reimer
A trend towards the abandonment of obtaining pure culture isolates in frontline laboratories is at a crossroads with the ability of public health agencies to perform their basic mandate of foodborne disease surveillance and response. The implementation of culture-independent diagnostic tests (CIDTs) including nucleic acid and antigen-based assays for acute gastroenteritis is leaving public health agencies without laboratory evidence to link clinical cases to each other and to food or environmental substances...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28694792/context-is-everything-harmonization-of-critical-food-microbiology-descriptors-and-metadata-for-improved-food-safety-and-surveillance
#2
Emma Griffiths, Damion Dooley, Morag Graham, Gary Van Domselaar, Fiona S L Brinkman, William W L Hsiao
Globalization of food networks increases opportunities for the spread of foodborne pathogens beyond borders and jurisdictions. High resolution whole-genome sequencing (WGS) subtyping of pathogens promises to vastly improve our ability to track and control foodborne disease, but to do so it must be combined with epidemiological, clinical, laboratory and other health care data (called "contextual data") to be meaningfully interpreted for regulatory and health interventions, outbreak investigation, and risk assessment...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28662764/pulsenet-international-vision-for-the-implementation-of-whole-genome-sequencing-wgs-for-global-food-borne-disease-surveillance
#3
Celine Nadon, Ivo Van Walle, Peter Gerner-Smidt, Josefina Campos, Isabel Chinen, Jeniffer Concepcion-Acevedo, Brent Gilpin, Anthony M Smith, Kai Man Kam, Enrique Perez, Eija Trees, Kristy Kubota, Johanna Takkinen, Eva Møller Nielsen, Heather Carleton
PulseNet International is a global network dedicated to laboratory-based surveillance for food-borne diseases. The network comprises the national and regional laboratory networks of Africa, Asia Pacific, Canada, Europe, Latin America and the Caribbean, the Middle East, and the United States. The PulseNet International vision is the standardised use of whole genome sequencing (WGS) to identify and subtype food-borne bacterial pathogens worldwide, replacing traditional methods to strengthen preparedness and response, reduce global social and economic disease burden, and save lives...
June 8, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28662015/multistate-outbreak-of-salmonella-anatum-infections-linked-to-imported-hot-peppers-united-states-may-july-2016
#4
Rashida Hassan, Joshua Rounds, Alida Sorenson, Greg Leos, Jeniffer Concepción-Acevedo, Taylor Griswold, Adiam Tesfai, Tyann Blessington, Cerise Hardy, Colin Basler
Foodborne salmonellosis causes an estimated 1 million illnesses and 400 deaths annually in the United States (1). Salmonella Anatum is one of the top 20 Salmonella serotypes in the United States. During 2013-2015 there were approximately 300-350 annual illnesses reported to PulseNet, the national molecular subtyping network for foodborne disease surveillance. In June 2016, PulseNet identified a cluster of 16 Salmonella Anatum infections with an indistinguishable pulsed-field gel electrophoresis (PFGE) pattern from four states...
June 30, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28651629/risk-factors-person-place-and-time-characteristics-associated-with-hepatitis-e-virus-outbreak-in-napak-district-uganda
#5
Geofrey Amanya, Samuel Kizito, Immaculate Nabukenya, Joan Kalyango, Collins Atuheire, Hellen Nansumba, Stephen Akena Abwoye, Denis Nixon Opio, Edrisa Kibuuka, Charles Karamagi
BACKGROUND: Hepatitis E is self-limiting, but can cause death in most at risk groups like pregnant women and those with preexisting acute liver disease. In developing countries it presents as epidemic, in 2014 Hepatitis E Virus (HEV) outbreak was reported in Napak district Uganda. The role of factors in this setting that might have propagated this HEV epidemic, including host, agent, and environmental characteristics, were still not clear. This study was therefore conducted to investigate the risk factors, person, place and time characteristics, associated with the hepatitis E virus (HEV) epidemic in Napak district...
June 26, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28649304/a-nationwide-outbreak-of-listeriosis-associated-with-cold-cuts-sweden-2013-2014
#6
Viktor Dahl, Lena Sundqvist, Ingela Hedenström, Margareta Löfdahl, Erik Alm, Håkan Ringberg, Mats Lindblad, Anders Wallensten, Susanne Thisted Lambertz, Cecilia Jernberg
In January 2014, the Public Health Agency of Sweden noticed an increase in listeriosis cases. Isolates from 10 cases had identical pulsed field gel electrophoresis (PFGE) profiles, suggesting a common source. We investigated the outbreak to identify the source and stop transmission. We looked for cases in 2013-2014 and also compared cases notified after February 2014 to randomly selected controls. We surveyed food items consumed two weeks prior to symptom onset. Listeria monocytogenes isolates found by food producers were PFGE-typed...
2017: Infection Ecology & Epidemiology
https://www.readbyqxmd.com/read/28647923/foodborne-illness-outbreak-investigation-in-a-high-profile-sports-club
#7
Kwendy Cavanagh, Travers Johnstone, Essi Huhtinen, Zeina Najjar, Peter Lorentzos, Craig Shadbolt, John Shields, Leena Gupta
A foodborne illness outbreak involving an elite sports team was investigated by a public health unit in Sydney, Australia. An epidemiological association was established between gastrointestinal illness and the consumption of food supplied by an external caterer, with a lamb meal most strongly associated with illness. Genetically identical Salmonella isolates were identified from clinical specimens, residual food items, and an environmental swab taken from the catering premises. The training schedule and other club operations were significantly affected by this outbreak...
December 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/28619007/whole-genome-sequencing-analyses-of-listeria-monocytogenes-that-persisted-in-a-milkshake-machine-for-a-year-and-caused-illnesses-in-washington-state
#8
Zhen Li, Ailyn Pérez-Osorio, Yu Wang, Kaye Eckmann, William A Glover, Marc W Allard, Eric W Brown, Yi Chen
BACKGROUND: In 2015, in addition to a United States multistate outbreak linked to contaminated ice cream, another outbreak linked to ice cream was reported in the Pacific Northwest of the United States. It was a hospital-acquired outbreak linked to milkshakes, made from contaminated ice cream mixes and milkshake maker, served to patients. Here we performed multiple analyses on isolates associated with this outbreak: pulsed-field gel electrophoresis (PFGE), whole genome single nucleotide polymorphism (SNP) analysis, species-specific core genome multilocus sequence typing (cgMLST), lineage-specific cgMLST and whole genome-specific MLST (wgsMLST)/outbreak-specific cgMLST...
June 15, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28602163/investigation-of-a-food-borne-outbreak-of-gastroenteritis-in-a-school-canteen-revealed-a-variant-of-sapovirus-genogroup-v-not-detected-by-standard-pcr-sollentuna-sweden-2016
#9
Maria-Pia Hergens, Joanna Nederby Öhd, Erik Alm, Helena H Askling, Sofia Helgesson, Mona Insulander, Nina Lagerqvist, Bo Svenungsson, Malin Tihane, Thomas Tolfvenstam, Per Follin
A food-borne outbreak of gastroenteritis with more than 650 suspected cases occurred in April 2016 in Sollentuna, Sweden. It originated in a school kitchen serving a total of 2,700 meals daily. Initial microbiological testing (for Campylobacter, Salmonella, Shigella, Yersinia, Giardia, Cryptosporidium, Entamoeba histolytica, adeno-, astro-, noro-, rota- and sapovirus) of stool samples from 15 symptomatic cases was negative, despite a clinical presentation suggestive of calicivirus. Analyses of the findings from both the Sollentuna municipality environmental team and a web-based questionnaire suggested that the source of the outbreak was the salad buffet served on 20 April, although no specific food item could be identified...
June 1, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28600312/vibrio-cholerae-colonization-of-soft-shelled-turtles
#10
Jiazheng Wang, Meiying Yan, He Gao, Xin Lu, Biao Kan
Vibrio cholerae is an important human pathogen and environmental microflora species that can both propagate in the human intestine and proliferate in zooplankton and aquatic organisms. Cholera is transmitted through food and water. In recent years, outbreaks caused by V. cholerae-contaminated soft-shelled turtles, contaminated mainly with toxigenic serogroup O139, have been frequently reported, posing a new foodborne disease public health problem. In this study, the colonization by toxigenic V. cholerae on the body surfaces and intestines of soft-shelled turtles was explored...
July 15, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28597535/epidemiology-of-campylobacteriosis-in-denmark-2000-2015
#11
K G Kuhn, E M Nielsen, K Mølbak, S Ethelberg
Campylobacter is the most frequently occurring cause of bacterial gastroenteritis in Europe. Unlike other zoonotic diseases, European-wide incidences of Campylobacter infections have increased during the past decade, resulting in a significant disease burden. In Denmark, campylobacteriosis is notifiable by laboratory and a unique registration system of electronic transfer and storage of notified Campylobacter cases linked to the national person register of age, gender and geographical location allows collection of comprehensive case data...
June 9, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28582663/molecular-and-epidemiological-characterization-of-staphylococcal-foodborne-outbreak-of-staphylococcus-aureus-harboring-seg-sei-sem-sen-seo-and-selu-genes-without-production-of-classical-enterotoxins
#12
Kaoru Umeda, Hiromi Nakamura, Kaori Yamamoto, Nobuko Nishina, Kiyoshi Yasufuku, Yuki Hirai, Teruo Hirayama, Kaoru Goto, Atsushi Hase, Jun Ogasawara
Staphylococcal food poisoning is the result of consumption of food contaminated with staphylococcal enterotoxins (SEs) produced by Staphylococcus aureus. To date, 23 SEs and SE-like enterotoxins (SEls) have been described in the literature. They are divided into classical SEs (SEA-SEE) and new SE/SEls (SEG-SElX). Some have proved to be foodborne-inducible, but others remain unidentified. In May 2016, at an elderly group home in Osaka city, Japan, an outbreak from foodborne pathogens occurred among lunch party participants...
May 30, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28574206/genome-wide-analyses-of-listeria-monocytogenes-from-food-processing-plants-reveal-clonal-diversity-and-date-the-emergence-of-persisting-sequence-types
#13
Gitte M Knudsen, Jesper Boye Nielsen, Rasmus L Marvig, Yin Ng, Peder Worning, Henrik Westh, Lone Gram
Whole genome sequencing is increasing used in epidemiology, e.g. for tracing outbreaks of food-borne diseases. This requires in-depth understanding of pathogen emergence, persistence and genomic diversity along the food production chain including in food processing plants. We sequenced the genomes of 80 isolates of Listeria monocytogenes sampled from Danish food processing plants over a time-period of 20 years, and analysed the sequences together with 10 public available reference genomes to advance our understanding of interplant and intraplant genomic diversity of L...
June 2, 2017: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/28550058/whole-genome-and-core-genome-multilocus-sequence-typing-and-single-nucleotide-polymorphism-analyses-of-listeria-monocytogenes-associated-with-an-outbreak-linked-to-cheese-united-states-2013
#14
Yi Chen, Yan Luo, Heather Carleton, Ruth Timme, David Melka, Tim Muruvanda, Charles Wang, George Kastanis, Lee S Katz, Lauren Turner, Angela Fritzinger, Terence Moore, Robert Stones, Joseph Blankenship, Monique Salter, Mickey Parish, Thomas S Hammack, Peter S Evans, Cheryl L Tarr, Marc W Allard, Errol A Strain, Eric W Brown
Epidemiological findings of a listeriosis outbreak in 2013 implicated Hispanic-style cheese produced by Company A, and pulsed-field gel electrophoresis (PFGE) and whole genome sequencing (WGS) were performed on clinical isolates and representative isolates collected from Company A cheese and environmental samples during the investigation. The results strengthened the evidence for cheese as the vehicle. Surveillance sampling and WGS three months later revealed that the equipment purchased by Company B from Company A yielded an environmental isolate highly similar to all outbreak isolates...
May 26, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28527286/-possible-oral-transmission-of-chagas-disease-among-hydrocarbons-sector-workers-in-casanare-colombia-2014
#15
Liliana Patricia Zuleta-Dueñas, Ángela Johana López-Quiroga, Fernando Torres-Torres, Oneida Castañeda-Porras
INTRODUCTION: Trypanosoma cruzi, the etiological agent for Chagas disease, can be transmitted by oral intake of contaminated food or drinks. During epidemiological week 14 of 2014, two cases of acute Chagas disease were notified among hydrocarbons sector workers in Paz de Ariporo, Casanare. OBJECTIVE: To characterize the affected population, to establish control and prevention measures and to confirm the outbreak. MATERIALS AND METHODS: We conducted an outbreak investigation that included the following components: a) Search for symptomatic people compatible with Chagas disease according to the case definition for their referral to medical services; b) entomological survey (192/197 houses); c) sanitary inspection and microbiological analysis of food samples; and d) study of reservoirs...
June 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28524037/-clinical-analysis-of-53-patients-with-clostridium-botulinum-food-poisoning
#16
Peng Zhang, Jianguang Dong, Lili Bai, Zewu Qiu
OBJECTIVE: To analyze the epidemiologic data of patients with Clostridium botulinum food poisoning, and to improve the understanding, diagnosis and treatment of food borne botulism. METHODS: A retrospective study was conducted. Fifty-three patients with Clostridium botulinum food poisoning admitted to Chinese PLA Center of Poisoning and Treatment from January 2009 to December 2016 were enrolled, and they were divided into mild, moderate, and severe groups according to the severity of disease...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28520707/using-molecular-characterization-to-support-investigations-of-aquatic-facility-associated-outbreaks-of-cryptosporidiosis-alabama-arizona-and-ohio-2016
#17
Michele C Hlavsa, Dawn M Roellig, Matthew H Seabolt, Amy M Kahler, Jennifer L Murphy, Taishayla K McKitt, Evelyn F Geeter, Ron Dawsey, Sherri L Davidson, Thuy N Kim, Theresa H Tucker, Sally Ann Iverson, Brenna Garrett, Nicole Fowle, Jennifer Collins, Gregory Epperson, Scott Zusy, Joli R Weiss, Ken Komatsu, Edwin Rodriguez, J Gage Patterson, Rebecca Sunenshine, Brandi Taylor, Katie Cibulskas, Lynn Denny, Keoni Omura, Boris Tsorin, Kathleen E Fullerton, Lihua Xiao
Cryptosporidiosis is a nationally notifiable gastrointestinal illness caused by parasitic protozoa of the genus Cryptosporidium, which can cause profuse, watery diarrhea that can last up to 2-3 weeks in immunocompetent patients and can lead to life-threatening wasting and malabsorption in immunocompromised patients. Fecal-oral transmission of Cryptosporidium oocysts, the parasite's infectious life stage, occurs via ingestion of contaminated recreational water, drinking water, or food, or following contact with infected persons or animals, particularly preweaned bovine calves (1)...
May 19, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28520482/foodborne-disease-outbreaks-in-correctional-institutions-united-states-1998-2014
#18
Mariel A Marlow, Ruth E Luna-Gierke, Patricia M Griffin, Antonio R Vieira
OBJECTIVES: To present the first update on the epidemiology of US foodborne correctional institution outbreaks in 20 years. METHODS: We analyzed data from the Centers for Disease Control and Prevention's Foodborne Disease Outbreak Surveillance System to describe correctional institution outbreaks from 1998 to 2014 and compare them with other foodborne outbreaks. RESULTS: Two hundred foodborne outbreaks in correctional institutions were reported, resulting in 20 625 illnesses, 204 hospitalizations, and 5 deaths...
July 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28494842/two-consecutive-large-outbreaks-of-salmonella-muenchen-linked-to-pig-farming-in-germany-2013-to-2014-is-something-missing-in-our-regulatory-framework
#19
Anika Schielke, Wolfgang Rabsch, Rita Prager, Sandra Simon, Angelika Fruth, Rüdiger Helling, Martin Schnabel, Claudia Siffczyk, Sina Wieczorek, Sabine Schroeder, Beate Ahrens, Hanna Oppermann, Stefan Pfeiffer, Sophie Susann Merbecks, Bettina Rosner, Christina Frank, Armin A Weiser, Petra Luber, Andreas Gilsdorf, Klaus Stark, Dirk Werber
In 2013, raw pork was the suspected vehicle of a large outbreak (n = 203 cases) of Salmonella Muenchen in the German federal state of Saxony. In 2014, we investigated an outbreak (n = 247 cases) caused by the same serovar affecting Saxony and three further federal states in the eastern part of Germany. Evidence from epidemiological, microbiological and trace-back investigations strongly implicated different raw pork products as outbreak vehicles. Trace-back analysis of S. Muenchen-contaminated raw pork sausages narrowed the possible source down to 54 pig farms, and S...
May 4, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28475781/2015-epidemic-of-severe-streptococcus-agalactiae-sequence-type-283-infections-in-singapore-associated-with-the-consumption-of-raw-freshwater-fish-a-detailed-analysis-of-clinical-epidemiological-and-bacterial-sequencing-data
#20
Shirin Kalimuddin, Swaine L Chen, Cindy T K Lim, Tse Hsien Koh, Thean Yen Tan, Michelle Kam, Christopher W Wong, Kurosh S Mehershahi, Man Ling Chau, Lee Ching Ng, Wen Ying Tang, Hishamuddin Badaruddin, Jeanette Teo, Anucha Apisarnthanarak, Nuntra Suwantarat, Margaret Ip, Matthew T G Holden, Li Yang Hsu, Timothy Barkham
Background: Streptococcus agalactiae (group B Streptococcus [GBS]) has not been described as a foodborne pathogen. However, in 2015, a large outbreak of severe invasive sequence type (ST) 283 GBS infections in adults epidemiologically linked to the consumption of raw freshwater fish occurred in Singapore. We attempted to determine the scale of the outbreak, define the clinical spectrum of disease, and link the outbreak to contaminated fish. Methods: Time-series analysis was performed on microbiology laboratory data...
May 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
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