Moldova reports two more outbreaks of African swine fever: OIE

Moldova has reported two further outbreaks of African swine fever among backyard pigs, the Paris-based World Organisation for Animal Health (OIE) said on Thursday.
Source: Reuters: Health - Category: Consumer Health News Tags: healthNews Source Type: news

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Authors: Winters A, Iqbal M, Benowitz I, Baumgartner J, Vora NM, Evans L, Link N, Munjal I, Ostrowsky B, Ackelsberg J, Balter S, Dentinger C, Fine AD, Harper S, Landman K, Laraque F, Layton M, Slavinski S, Weiss D, Rakeman JL, Hughes S, Varma JK, Lee EH Abstract During 2014-2016, the largest outbreak of Ebola virus disease (EVD) in history occurred in West Africa. The New York City Department of Health and Mental Hygiene (DOHMH) worked with health care providers to prepare for persons under investigation (PUIs) for EVD in New York City. From July 1, 2014, through December 29, 2015, we classified as a PUI a person w...
Source: Public Health Reports - Category: International Medicine & Public Health Tags: Public Health Rep Source Type: research
Abstract Lettuce (Lactuca sativa), one of the most consumed leafy vegetables in the world, is frequently implicated with foodborne disease (FBD) outbreaks, with Salmonella spp. and Escherichia coli O157:H7 being the most common bacteria to cause this illness. Estimates of prevalence and levels of these pathogens on lettuce are scarce in developed or in developing countries, which hinders risk assessment attempts. In here, we present a systematic review and meta-analysis of reported prevalence and levels of Salmonella spp. and E. coli O157:H7 on lettuce using the worldwide available data. Literature was reviewed an...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
Abstract Leafy vegetables and fresh herbs are important parts of a healthy diet, however, they can be common vehicles of norovirus (NoV) infection and lead to serious health and economic concerns globally. NoV is highly infectious and persistent in the food and the environment, while being resistant to conventional food decontamination practices. Herbs and leafy greens are often consumed raw, and if contaminated with NoV, they may cause illness. Consequently, for outbreak prevention and surveillance purposes, sensitive and rapid methods are required to detect the presence of infectious NoV in naturally contaminate...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
In this study, protamine was covalently coated on the surface of the MNPs (20-30 nm) by a three-step chemical reaction. The successful linkage of protamine to the MNPs was confirmed by Fourier transform infrared spectroscopy (FTIR), zeta potential, and transmission electron microscopy (TEM). When used for concentrating HAV from 40 mL of milk, 50 μL of PMNPs were added to the sample and mixed for 20 min by gentle rotation, followed by a magnet capture for 30 min. The captured PMNPs were washed with glycine buffer (0.05 M glycine, 0.14 M NaCl, 0.2% (v/v) Tween 20, pH 9.0) and HAV RNA was extracted using the ...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
Abstract Globally, V. parahaemolyticus infection is a leading cause of bacterial diarrheal diseases. Pathogenic V. parahaemolyticus strains that produce hemolysins are responsible for these diseases. The composition of pathogenic and non-pathogenic V. parahaemolyticus and the change of the bacterial composition before and after traditional selective enrichment in a single sample associated with disease outbreak remain unclear. We investigated an outbreak by using next generation sequencing and digital PCR to address those questions. NGS showed that the V. parahaemolyticus caused the outbreak belonged to s single c...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
In this study, we investigated the genetic diversity, virulence factors and farm-to-table spread pattern of V. parahaemolyticus by analyzing 383 genomes of food-associated isolates. These strains were isolated from diverse sample types from six provinces of China in 2014, being classified into three tiers of the farm-to-table spread process: food production, circulation and consumption. The genetic diversity of V. parahaemolyticus in different classifications, including geographical location, sample type, source and spread tier, was similar, as the median number of pairwise SNPs within each classification was between 33,01...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
Abstract Only a few studies concerning Shiga toxin-producing E. coli (STEC) detection in bivalves and their harvesting areas have been reported, and to the best of our knowledge there are no outbreaks associated with STEC from bivalves described. The aim of the present study was to investigate the occurrence of STEC in Norwegian bivalves, and to characterize potential STEC isolated from the samples. A total of 269 samples of bivalves were screened for the presence of stx and eae genes, and markers for the serogroups O26, O103, O111, O145 and O157 by using ISO TS 13136 (2012). The screening returned 19 samples that...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
;jar S, Allende A Abstract Fresh produce causes most foodborne outbreaks in the USA, and it is also considered a hazardous food product in other areas of the world such as Europe. The outbreaks attributed to fresh produce increase the focus of producers on hygiene to minimize exposure to food hazards. The fresh produce industry has the urgent need to detect if there are production lots contaminated with pathogenic microorganisms before distribution. Although the industry is mostly using end-product testing for the detection of target microorganisms, previous studies have evaluated the suitability of different samp...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
In this study, we used cluster analysis tools to compare S. Typhimurium isolates from a chicken-meat study with those reported to the National Enteric Pathogen Surveillance System (NEPSS) from the coincident human and non-human populations. There was limited phage type diversity within all populations and a lack of specificity of MLVA profiling within phage types. The chicken-meat study isolates were not significantly clustered with the human cases and at least 7 non-human sources, based on typing profiles (PT/MLVA combination), could be implicated as a source of human cases during the same period. In the absence of a stro...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
In this study, we utilized a novel enrichment media containing activated charcoal as the key ingredient that induces hyperactive expression and secretion of L. monocytogenes virulence proteins. The Bio-Plex suspension array system, based on Luminex xMAP technology, was subsequently employed to specifically detect accumulated L. monocytogenes secreted and membrane bound proteins via paramagnetic microsphere-antibody complexes. Cantaloupe and packaged salad samples were treated with a dilution series of L. monocytogenes and incubated in activated charcoal media following a short pre-enrichment step in Buffered Listeria Enric...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
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