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Outbreak food epidemiology

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https://www.readbyqxmd.com/read/28527286/-possible-oral-transmission-of-chagas-disease-among-hydrocarbons-sector-workers-in-casanare-colombia-2014
#1
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
#2
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
#3
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
#4
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...
May 18, 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
#5
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
#6
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
https://www.readbyqxmd.com/read/28469710/single-nucleotide-polymorphism-typing-analysis-for-molecular-subtyping-of-salmonella-tennessee-isolates-associated-with-the-2007-nationwide-peanut-butter-outbreak-in-the-united-states
#7
Hee-Jin Dong, Seongbeom Cho, David Boxrud, Shelly Rankin, Francis Downe, Judith Lovchik, Jim Gibson, Matt Erdman, A Mahdi Saeed
BACKGROUND: In 2007, a nationwide Salmonella Tennessee outbreak occurred via contaminated peanut butter. Here, we developed a single-nucleotide polymorphism (SNP)-typing method for S. Tennessee to determine the clonal subtypes of S. Tennessee that were associated with the peanut butter outbreak. METHODS AND RESULTS: One seventy-six S. Tennessee isolates from various sources, including humans, animals, food, and the environment, were analyzed by using the SNP technique...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28462733/epidemiology-and-whole-genome-sequencing-of-an-ongoing-point-source-salmonella-agona-outbreak-associated-with-sushi-consumption-in-western-sydney-australia-2015
#8
C K Thompson, Q Wang, S K Bag, N Franklin, C T Shadbolt, P Howard, E J Fearnley, H E Quinn, V Sintchenko, K G Hope
During May 2015, an increase in Salmonella Agona cases was reported from western Sydney, Australia. We examine the public health actions used to investigate and control this increase. A descriptive case-series investigation was conducted. Six outbreak cases were identified; all had consumed cooked tuna sushi rolls purchased within a western Sydney shopping complex. Onset of illness for outbreak cases occurred between 7 April and 24 May 2015. Salmonella was isolated from food samples collected from the implicated premise and a prohibition order issued...
May 2, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28442328/simple-quick-and-cost-efficient-a-universal-rt-pcr-and-sequencing-strategy-for-genomic-characterisation-of-foot-and-mouth-disease-viruses
#9
V Dill, M Beer, B Hoffmann
Foot-and-mouth disease (FMD) is a major contributor to poverty and food insecurity in Africa and Asia, and it is one of the biggest threats to agriculture in highly developed countries. As FMD is extremely contagious, strategies for its prevention, early detection, and the immediate characterisation of outbreak strains are of great importance. The generation of whole-genome sequences enables phylogenetic characterisation, the epidemiological tracing of virus transmission pathways and is supportive in disease control strategies...
April 23, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28405360/towards-an-integrated-food-safety-surveillance-system-a-simulation-study-to-explore-the-potential-of-combining-genomic-and-epidemiological-metadata
#10
A A Hill, M Crotta, B Wall, L Good, S J O'Brien, J Guitian
Foodborne infection is a result of exposure to complex, dynamic food systems. The efficiency of foodborne infection is driven by ongoing shifts in genetic machinery. Next-generation sequencing technologies can provide high-fidelity data about the genetics of a pathogen. However, food safety surveillance systems do not currently provide similar high-fidelity epidemiological metadata to associate with genetic data. As a consequence, it is rarely possible to transform genetic data into actionable knowledge that can be used to genuinely inform risk assessment or prevent outbreaks...
March 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28402712/investigation-of-a-staphylococcal-food-poisoning-outbreak-from-a-chantilly-cream-dessert-in-umbria-italy
#11
Laura Ercoli, Silvia Gallina, Yacine Nia, Frédéric Auvray, Sara Primavilla, Fabrizia Guidi, Benedetta Pierucci, Catia Graziotti, Lucia Decastelli, Stefania Scuota
On August 28, 2015, a staphylococcal food poisoning outbreak occurred in Umbria, Italy, affecting 24 of the 42 customers who had dinner at a local restaurant. About 3 h after ingesting a variety of foods, the customers manifested gastrointestinal symptoms. Within 24 h of notification from the hospital emergency department, Sanitary Inspectors of the local Public Health Unit performed an epidemiological investigation. A retrospective cohort study was conducted among the customers. Food and environmental samples were collected...
April 12, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28402185/giardiasis-outbreak-associated-with-asymptomatic-food-handlers-in-new-york-state-2015
#12
Mary Figgatt, Kimberly Mergen, Deborah Kimelstein, Danielle M Mahoney, Alexandra Newman, David Nicholas, Kristen Ricupero, Theresa Cafiero, Daniel Corry, Julius Ade, Philip Kurpiel, Susan Madison-Antenucci, Madhu Anand
Giardia duodenalis is a protozoan that causes a gastrointestinal illness called giardiasis. Giardiasis outbreaks in the United States are most commonly associated with waterborne transmission and are less commonly associated with food, person-to-person, and zoonotic transmission. During June to September 2015, an outbreak of 20 giardiasis cases occurred and were epidemiologically linked to a local grocery store chain on Long Island, New York. Further investigation revealed three asymptomatic food handlers were infected with G...
April 12, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28395399/kudoa-septempunctata-as-a-cause-of-food-poisoning-and-its-differential-diagnosis
#13
Sung Uk Lee
Purpose: Recently kudoa septempuctata in olive flounders is suggested as a cause of food poisoning, however whether kudoa septempuctata can affect human gastrointestinal systems is controversial and its pathogenecity remains unclear. In view of the field epidemiology, food poisonings caused by kudoa septempuctata should be distinguished from those caused by staphylococcus aureus and bacillus cereus. Methods: The statistics of food poisoning investigations published by Korea Centers for Disease Control and Prevention in 2013-2015 were reviewed...
March 31, 2017: Epidemiology and Health
https://www.readbyqxmd.com/read/28385134/an-outbreak-of-salmonella-saintpaul-gastroenteritis-after-attending-a-school-camp-in-the-northern-territory-australia
#14
Anthony Dk Draper, Claire N Morton, Joshua Ni Heath, Justin A Lim, Peter G Markey
An outbreak of salmonellosis occurred following attendance at a school camp between 5 and 8 August 2014 in a remote area of the Northern Territory, Australia. We conducted a retrospective cohort study via telephone interviews, using a structured questionnaire that recorded symptoms and exposures to foods and activities during the camp. A case was anyone with laboratory confirmed Salmonella Saintpaul infection or a clinically compatible illness after attending the camp. Environmental health officers from the Environmental Health Branch undertook an investigation and collected water and environmental samples...
March 31, 2017: Communicable Diseases Intelligence Quarterly Report
https://www.readbyqxmd.com/read/28348549/a-comparative-analysis-of-the-lyve-set-phylogenomics-pipeline-for-genomic-epidemiology-of-foodborne-pathogens
#15
Lee S Katz, Taylor Griswold, Amanda J Williams-Newkirk, Darlene Wagner, Aaron Petkau, Cameron Sieffert, Gary Van Domselaar, Xiangyu Deng, Heather A Carleton
Modern epidemiology of foodborne bacterial pathogens in industrialized countries relies increasingly on whole genome sequencing (WGS) techniques. As opposed to profiling techniques such as pulsed-field gel electrophoresis, WGS requires a variety of computational methods. Since 2013, United States agencies responsible for food safety including the CDC, FDA, and USDA, have been performing whole-genome sequencing (WGS) on all Listeria monocytogenes found in clinical, food, and environmental samples. Each year, more genomes of other foodborne pathogens such as Escherichia coli, Campylobacter jejuni, and Salmonella enterica are being sequenced...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28306338/the-epidemiology-of-childhood-salmonella-infections-in-alberta-canada
#16
Kate E Faulder, Kimberley Simmonds, Joan L Robinson
OBJECTIVES: The objectives were to describe the incidence, demographics, laboratory findings, and suspected sources of childhood Salmonella infections in Alberta, Canada, with a focus on preventable cases. METHODS: Data from Notifiable Disease Reports for children with nontyphoidal salmonellosis (NTS) or typhoid/paratyphoid fever from 2007 through 2015 were analyzed. RESULTS: NTS was detected from 2285 children. Bacteremia was documented in 55 cases (2...
March 17, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28294686/utility-of-combining-whole-genome-sequencing-with-traditional-investigational-methods-to-solve-foodborne-outbreaks-of-salmonella-infections-associated-with-chicken-a-new-tool-for-tackling-this-challenging-food-vehicle
#17
Samuel J Crowe, Alice Green, Kimberly Hernandez, Vi Peralta, Lyndsay Bottichio, Stephanie Defibaugh-Chavez, Aphrodite Douris, Laura Gieraltowski, Kelley Hise, Karen La-Pham, Karen P Neil, Mustafa Simmons, Glenn Tillman, Beth Tolar, Darlene Wagner, Jamie Wasilenko, Kristin Holt, Eija Trees, Matthew E Wise
High consumption rates and a multitude of brands make multistate foodborne outbreaks of Salmonella infections associated with chicken challenging to investigate, but whole genome sequencing is a powerful tool that can be used to assist investigators. Whole genome sequencing of pathogens isolated from clinical, environmental, and food samples is increasingly being used in multistate foodborne outbreak investigations to determine with unprecedented resolution how closely related these isolates are to one another genetically...
March 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28289408/mlva-for-salmonella-enterica-subsp-enterica-serovar-dublin-development-of-a-method-suitable-for-inter-laboratory-surveillance-and-application-in-the-context-of-a-raw-milk-cheese-outbreak-in-france-in-2012
#18
Marie-Léone Vignaud, Emeline Cherchame, Muriel Marault, Emilie Chaing, Simon Le Hello, Valerie Michel, Nathalie Jourdan-Da Silva, Renaud Lailler, Anne Brisabois, Sabrina Cadel-Six
Salmonella enterica subspecies enterica serovar Dublin (S. Dublin) figures among the most frequently isolated Salmonella strains in humans in France. This serovar may affect production and animal health mainly in cattle herds with corresponding high economic losses. Given that the current gold standard method, pulsed-field gel electrophoresis (PFGE), provides insufficient discrimination for epidemiological investigations, we propose a standard operating procedure in this study for multiple-locus variable number tandem repeat analysis (MLVA) of S...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28251888/increase-in-outbreaks-of-gastroenteritis-linked-to-bathing-water-in-finland-in-summer-2014
#19
Ari Kauppinen, Haider Al-Hello, Outi Zacheus, Jaana Kilponen, Leena Maunula, Sari Huusko, Maija Lappalainen, Ilkka Miettinen, Soile Blomqvist, Ruska Rimhanen-Finne
An increased number of suspected outbreaks of gastroenteritis linked to bathing water were reported to the Finnish food- and waterborne outbreak (FWO) registry in July and August 2014. The investigation reports were assessed by a national outbreak investigation panel. Eight confirmed outbreaks were identified among the 15 suspected outbreaks linked to bathing water that had been reported to the FWO registry. According to the outbreak investigation reports, 1,453 persons fell ill during these outbreaks. Epidemiological and microbiological data revealed noroviruses as the main causative agents...
February 23, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28248852/serosurveillance-of-hepatitis-a-in-a-region-which-adopted-the-universal-mass-vaccination
#20
Maria Filomena Gallone, Francesco Desiante, Maria Serena Gallone, Giovanna Barbuti, Silvio Tafuri, Cinzia Germinario
Hepatitis A is a common infectious disease worldwide that was endemic in many regions of Southern Italy, such as Apulia region. After a large hepatitis A outbreak occurred between 1996 and 1997, in Apulia an active-free immunization program that was targeted to new-borns and adolescents was started. The aim of this study is to investigate the hepatitis A seroprevalence in the adult Apulian population 18 years after the immunization program introduction, in order to evaluate the risk of new epidemics onset.The study was carried out from May 2011 to June 2012 among blood donors from Department of Transfusion Medicine and Blood Bank of Policlinico General Hospital in Bari...
March 2017: Medicine (Baltimore)
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