67 E. coli infections across 19 states are linked to romaine lettuce, CDC says

Sixty-seven people have been infected across 19 states in an E. coli outbreak that is linked to romaine lettuce, the Centers for Disease Control and Prevention said. Officials are investigating lettuce that was harvested from the Salinas, California, region, the CDC said, warning consumers not to eat it and retailers not to sell any from that area.
Source: CNN.com - Health - Category: Consumer Health News Source Type: news

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Conclusions: Our data has uncovered a prolonged clonal outbreak of ESBL S. sonnei that was likely first introduced by returned travellers and has subsequently been circulating locally in Australia. The emergence of a local outbreak of ESBL S. sonnei, with a multidrug-resistant profile, including reduced susceptibility to ciprofloxacin, represents a significant public health threat. PMID: 33020158 [PubMed - as supplied by publisher]
Source: Antimicrobial Agents and Chemotherapy - Category: Microbiology Authors: Tags: Antimicrob Agents Chemother Source Type: research
The Canadian Food Inspection Agency is instituting stronger restrictions around the import of romaine lettuce. Starting Wednesday, importers will have to prove that their product does not come from California's Salinas Valley or that their lettuce has "below-detectable" levels of E. coli.
Source: CBC | Health - Category: Consumer Health News Tags: News/Canada/New Brunswick Source Type: news
We report a novel experimental strategy, TAMBAS (Tandem Approach for Microphysical and Biological Assessment of Airborne Microorganisms Survival), to explore the synergistic interactions between the physicochemical and biological processes that impact airborne microbe survival in aerosol droplets. This innovative approach provides a unique and detailed understanding of the processes taking place from aerosol droplet generation through to equilibration and viability decay in the local environment, elucidating decay mechanisms not previously described. The impact of evaporation kinetics, solute hygroscopicity and concentrati...
Source: Applied and Environmental Microbiology - Category: Microbiology Authors: Tags: Appl Environ Microbiol Source Type: research
Abstract Norovirus (NoV) is the main cause of gastroenteritis outbreaks worldwide. Although NoV spreads mainly from person to person, it is estimated that a large proportion of NoV outbreaks are caused by foodborne transmission. Bivalve mollusks are one of the most important foods involved in NoV transmission to humans. Little is known about NoV prevalence in shellfish harvested and commercialized in Brazil. The aim of this study was to map, for the first time, the distribution of NoV contamination in oysters and mussels harvested and commercialized in the coast of Pernambuco state, northeast Brazil. A total of 38...
Source: Braz J Med Biol Res - Category: Research Authors: Tags: Braz J Med Biol Res Source Type: research
We examined STEC outbreaks linked to leafy greens during 2009-2018 in the United States and Canada. We identified 40 outbreaks, 1,212 illnesses, 77 cases of hemolytic uremic syndrome, and 8 deaths. More outbreaks were linked to romaine lettuce (54%) than to any other type of leafy green. More outbreaks occurred in the fall (45%) and spring (28%) than in other seasons. Barriers in epidemiologic and traceback investigations complicated identification of the ultimate outbreak source. Research on the seasonality of leafy green outbreaks and vulnerability to STEC contamination and bacterial survival dynamics by leafy green type...
Source: Emerging Infectious Diseases - Category: Infectious Diseases Authors: Tags: Emerg Infect Dis Source Type: research
Campylobacter jejuni is a leading cause of enteric bacterial illness in the United States. Traditional molecular subtyping methods, such as pulsed-field gel electrophoresis (PFGE) and 7-gene multilocus sequence typing (MLST), provided limited resolution to adequately identify C. jejuni outbreaks and separate out sporadic isolates during outbreak investigations. Whole-genome sequencing (WGS) has emerged as a powerful tool for C. jejuni outbreak detection. In this investigation, 45 human and 11 puppy isolates obtained during a 2016–2018 outbreak linked to pet store puppies were sequenced. Core genome multilocus sequenc...
Source: Journal of Clinical Microbiology - Category: Microbiology Authors: Tags: Epidemiology Source Type: research
epo E Abstract Carbapenem-resistant Enterobacterales (CRE) pose a significant threat to global public health. The most important mechanism for carbapenem resistance is the production of carbapenemases. Klebsiella pneumoniae carbapenemase (KPC) represents one of the main carbapenemases worldwide. Complex mechanisms of bla KPC dissemination have been reported in Colombia, a country with high endemicity of carbapenem resistance. Here, we characterized the dynamics of dissemination of bla KPC gene among CRE infecting and colonizing patients in three hospitals localized in a highly endemic area of Colombia (2013 and 20...
Source: Antimicrobial Agents and Chemotherapy - Category: Microbiology Authors: Tags: Antimicrob Agents Chemother Source Type: research
K. E. Marshall et al.
Source: Emerging Infectious Diseases Journal - Category: Infectious Diseases Source Type: research
Authors: Ghita BT, Bennani L, Berrada S, Benboubker M, Bennani B Abstract Escherichia coli is related to foodborne disease and outbreaks worldwide. It mainly affects persons at high risk as newborns, infants, and individuals with impaired immune system in hospitals. Multidrug-resistant E. coli is currently spreading both in community and hospital settings. Our study aims to evaluate the presence of E. coli and the incidence of its antibiotic resistance in samples obtained from various cooked and raw foods (N = 300), food contact surfaces (N = 238), and food handlers (N = 40...
Source: International Journal of Microbiology - Category: Microbiology Tags: Int J Microbiol Source Type: research
In this study, 45 carbapenem-resistant E. coli strains were collected in a hospital. The resistance mechanisms, plasmid profiles, and genetic relatedness of these strains were determined. Phylogenetic relationships between these strains were assessed by molecular profiling and aligned with patient clinical details. The genetic context of blaKPC–2 was analyzed to trace the potential dissemination of blaKPC–2. The 45 carbapenem-resistant E. coli ST131 strains were closely related. Initially prevalent only in a single ward, ST131 subsequently spread to other ward, resulting in a respiratory infection outbreak of c...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
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