Jimmy John's linked to E. coli and salmonella outbreaks

FDA says fast-food chain "engaged in a pattern of receiving and offering for sale adulterated fresh produce."
Source: Health News: CBSNews.com - Category: Consumer Health News Source Type: news

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Nontyphoidal Salmonella species are globally disseminated pathogens and are the predominant cause of gastroenteritis. The pathogenesis of salmonellosis has been extensively studied using in vivo murine models and cell lines, typically challenged with Salmonella enterica serovar Typhimurium. Although S. enterica serovars Enteritidis and Typhimurium are responsible for most of the human infections reported to the Centers for Disease Control and Prevention (CDC), several other serovars also contribute to clinical cases of salmonellosis. Despite their epidemiological importance, little is known about their infection phenotypes...
Source: Infection and Immunity - Category: Infectious Diseases Authors: Tags: Bacterial Infections Source Type: research
Here is what has sprouted since 2012.
Source: Forbes.com Healthcare News - Category: Pharmaceuticals Authors: Source Type: news
The U.S. Food and Drug Administration has issued a warning letter to sandwich chain Jimmy John's, accusing the company of selling fresh produce linked to five outbreaks of E. coli or salmonella in the past seven years.
Source: Health News - UPI.com - Category: Consumer Health News Source Type: news
The US Food and Drug Administration has issued a warning letter to the Jimmy John's sandwich chain, saying certain vegetables it served were implicated in five outbreaks of E. coli or salmonella in the past seven years.
Source: CNN.com - Health - Category: Consumer Health News Source Type: news
l M Abstract Salmonella enterica is a foodborne pathogen often leading to gastroenteritis and is commonly acquired by consumption of contaminated food of animal origin. However, frequency of outbreaks linked to the consumption of fresh or minimally processed food of non-animal origin is increasing. New infection routes of S. enterica by vegetables, fruits, nuts and herbs have to be considered. This leads to special interest in S. enterica interactions with leafy products, e.g. salads, that are mainly consumed in minimally processed form. The attachment of S. enterica to salad is a crucial step in contamination, bu...
Source: Applied and Environmental Microbiology - Category: Microbiology Authors: Tags: Appl Environ Microbiol Source Type: research
(Flinders University) Salmonella is a key cause of foodborne gastroenteritis around the world, with most outbreaks linked to eggs, poultry meat, pork, beef, dairy, nuts and fresh produce. Now Flinders University researchers have found a simple solution for preventing salmonellosis affecting eggs through surface contamination, giving crucial help for food services industries.
Source: EurekAlert! - Infectious and Emerging Diseases - Category: Infectious Diseases Source Type: news
(Washington State University) Despite the perception that wild birds in farm fields can cause food-borne illness, a WSU study has found little evidence linking birds to E. coli, Salmonella and Campylobacter outbreaks.
Source: EurekAlert! - Biology - Category: Biology Source Type: news
In this study, we assessed propidium monoazide (PMA)-qPCR assays and novel methods combining PMA and loop-mediated isothermal amplification (LAMP) for the detection and quantification of VBNC E. coli O157:H7 and S. enterica in fresh produce. The performance of PMA-LAMP assays targeting wzy gene of E. coli O157:H7 and agfA gene of S. enterica and PMA-qPCR assays were compared in pure culture and spiked tomato, lettuce and spinach. No cross-reaction was observed in the specificity tests. The limit of detection (LOD) with PMA-LAMP was 9.0 CFU/reaction for E. coli O157:H7 and 4.6 CFU/reaction for S. enterica in pure culture, a...
Source: Applied and Environmental Microbiology - Category: Microbiology Authors: Tags: Appl Environ Microbiol Source Type: research
The objective of this study was to study the inactivation kinetics of Escherichia coli O157:H7 and Salmonella Typhimurium under microwave pasteurization at temperatures between 80 and 90 °C, i.e., at conditions that are employed in conventional pasteurization. Inoculated juices were treated at different power levels (600 W, 720 W) and treatment times (5s, 10s, 15s, 20s, 25s). Time-temperature profiles were obtained by fiber-optic sensors in contact with the samples allowing continuous data collection. The log-logistic and Arrhenius equations were used to account for the influence of the temperature histo...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
In this study, 8 Salmonella phages and 10 E. coli O157:H7 phages were isolated from chicken products. A polyvalent phage PS5 capable of infecting S. Enteritidis, S. Typhimurium, and E. coli O157:H7 was further characterized and its efficacy in reducing these foodborne pathogens was evaluated in in vitro and in foods. Morphology, one-step growth, and stability assay showed that phage PS5 was a myovirus, with relatively short latent periods, large burst sizes, and high stability. Genome sequencing analysis revealed that the genome of PS5 does not contain any genes associated to antibiotic resistance, toxins, lysogeny, and vi...
Source: Food Research International - Category: Food Science Source Type: research
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