O-serogroups, virulence genes, antimicrobial susceptibility, and MLST genotypes of Shiga toxin-producing Escherichia coli from swine and cattle in Central China

Shiga toxin-producing Escherichia coli (STEC) is a leading cause of worldwide food-borne and waterborne infections. Despite an increase in the number of STEC outbreaks, there is a lack of data on prevalence of ST...
Source: BMC Veterinary Research - Category: Veterinary Research Authors: Tags: Research article Source Type: research

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Human noroviruses (HuNoVs) cause sporadic and epidemic outbreaks of gastroenteritis in all age groups worldwide. We previously reported that stem cell-derived human intestinal enteroid (HIE) cultures support replication of multiple HuNoV strains and that some strains (e.g., GII.3) replicate only in the presence of bile. Heat- and trypsin-treatment of bile...
Source: Proceedings of the National Academy of Sciences - Category: Science Authors: Tags: Biological Sciences Source Type: research
This study sheds light on the virulence and AMR potential of E. coli ST302 strains and informs AMR genomic surveillance.
Source: Frontiers in Microbiology - Category: Microbiology 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
Abstract Wheat flour has recently been recognised as an exposure vehicle for the foodborne pathogen Shiga toxin-producing Escherichia coli (STEC). Wheat flour milled on two sequential production days in October 2016, and implicated in a Canada wide outbreak of STEC O121:H19, was analysed for the presence of STEC in November 2018. Stored in sealed containers at ambient temperature, the water activity of individual flour samples was below 0.5 at 6 months post-milling and remained static or decreased slightly in individual samples during 18 months of additional storage. STEC O121 was isolated, with the same geno...
Source: Food Microbiology - Category: Food Science Authors: Tags: Food Microbiol Source Type: research
The contaminated romaine lettuce, which was harvested Salinas, California, sickened 167 people in 27 states.
Source: Health News: CBSNews.com - Category: Consumer Health News Source Type: news
The US Centers for Disease Control and the US Food and Drug Administration have declared that the recent nationwide E. Coli outbreak, which contaminated romaine lettuce, ended as of Wednesday. Authorities traced the outbreak back to the Salinas Valley growing region in California. The FDA has lifted a consumer advisory to avoid romaine lettuce from Salinas “as the growing season for this region is over and there is no longer a need for consumers to avoid it.” Health officials had previously advised consumers, retailers and restaurants to throw out any romaine lettuce grown in the Salinas, Calif. region. People...
Source: TIME: Health - Category: Consumer Health News Authors: Tags: Uncategorized onetime public health Source Type: news
But as of Wednesday, the outbreak of E. coli illnesses linked to the lettuce "appears to be over," the CDC said in a statement.
Source: WebMD Health - Category: Consumer Health News Source Type: news
(CNN) — Caesar salad lovers rejoice — your crispy romaine lettuce leaves are OK to eat now. The nationwide, monthslong E. coli outbreak linked to romaine lettuce ended Wednesday, according to the US Centers for Disease Control and Prevention and the US Food and Drug Administration. The romaine, which came from Salinas, California, infected a total of 167 people in 27 states. This included 85 hospitalizations, including 15 patients who developed a type of kidney failure — hemolytic uremic syndrome — known to be associated with this particular type of bacteria, E. coli O157:H7. The toxin produced by t...
Source: WBZ-TV - Breaking News, Weather and Sports for Boston, Worcester and New Hampshire - Category: Consumer Health News Authors: Tags: Health News Syndicated CBSN Boston CNN Romaine Lettuce Source Type: news
Caesar salad lovers rejoice -- your crispy romaine lettuce leaves are OK to eat now.
Source: CNN.com - Health - Category: Consumer Health News Source Type: news
The CDC says an outbreak of E. coli linked to romaine lettuce grown in Salinas, California, is over after 167 people fell in 27 states and 85 people were hospitalized - 15 with a type of kidney failure.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news
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