Epidemiological Characteristics of Sporadic Foodborne Diseases Caused by - China, 2013-2022.

Introduction: () is a common foodborne pathogen in coastal areas of China. Most epidemiological studies on have focused on foodborne disease outbreaks, with fewer studies based on long-term, continuous, and systematic sentinel surveillance.

Methods: Data were collected from the national foodborne disease active surveillance program in 31 provincial-level administrative divisions (PLADs) in China from 2013 to 2022.

Community Incidence Estimates of Five Pathogens Based on Foodborne Diseases Active Surveillance - China, 2023.

What Is Already Known About This Topic?: Foodborne diseases, representing significant food safety and public health challenges globally, are not well-documented in terms of incidence, particularly for cases characterized by acute gastroenteritis (AGI) in China.

What Is Added By This Report?: This study developed a pyramid model to estimate the incidence of five pathogens, stratified by gender and age. The estimated incidences per 100,000 people with 95% uncertainty intervals () are as follows: Norovirus, 3,188.

Whole-Genome Sequencing-Based Characterization of Clinical Isolates in China, 2013-2019.

Invasive listeriosis is a rare but serious foodborne disease that causes maternal-neonatal, central nervous system, and bloodstream infections. The aim of this study was to assess the whole-genome sequencing (WGS)-based genetic diversity of clinical isolates over a 7-year period and prove the effect of WGS application in food vehicle investigation. A total of 360 isolates were recovered during 2013 and 2019 through the national listeriosis special surveillance program.

Characteristics of Settings and Etiologic Agents of Foodborne Disease Outbreaks - China, 2020.

Introduction: Foodborne diseases are a growing public health problem and have caused a large burden of disease in China. This study analyzed epidemiological characteristics of foodborne diseases in China in 2020 to provide a scientific basis for prevention and control measures.

Methods: Data were collected from 30 of 31 provincial-level administrative divisions (PLADs) in the mainland of China, excluding Xizang (Tibet) Autonomous Region, via the National Foodborne Disease Outbreaks Surveillance System.

Prevalence of Antimicrobial Resistant of Isolated from Diarrheal Patients - Six PLADs, China, 2016-2020.

What Is Already Known On This Topic?: () is frequently resistant to common antimicrobials such as ampicillin and generally highly susceptible to most clinically used antimicrobials.

What Is Added By This Report?: were highly resistant to cefazolin and ampicillin: 94.4% and 37.

Mushroom Poisoning Outbreaks - China, 2010-2020.

: Mushroom poisoning was the leading cause of foodborne disease outbreaks and outbreak-associated deaths in China. Mushroom poisoning outbreak surveillance can provide insight into the epidemiological characteristics of mushroom poisonings and guide policymaking and health education to reduce illnesses and deaths. : Foodborne Disease Outbreak Surveillance System was upgraded in 2011 to collect foodborne disease outbreaks in China.

Application of Whole-Genome Sequencing in the National Molecular Tracing Network for Foodborne Disease Surveillance in China.

National Molecular Tracing Network for Foodborne Disease Surveillance (TraNet) was launched in 2013, which is the only real-time whole-genome sequencing (WGS)-based subtyping network in China for effective foodborne disease surveillance. TraNet covers three levels of public health laboratories, national, provincial, and municipal. The TraNet national databases have a total of more than 54,000 entries representing seven common foodborne bacteria from humans, food, and environments.

[Attribution analysis of food borne disease outbreaks in canteen from 2002 to 2016 in China].

Objective: Based on the angle of the "pathogenic bacteria-food", to analyze the cause of events in canteen from 2002 to 2016 in China, and to provide scientific basis for prevention and control of food borne diseases.

Methods: Collect and finish the food borne disease outbreaks events in canteen from 2002 to 2016, do the descriptive analysis of the number of events, cases and deaths by the different cause food, pathogenic factors and link, in order to do the multi-dimensional attribution analysis.

Results: From 2002 to 2016, there were 2129 food poisoning events in canteen in China.

The Epidemiology of Listeria monocytogenes in China.

Listeria monocytogenes, a ubiquitous bacterium in nature, can lead to human listeriosis through food consumption. Listeriosis is a rare, preventable, and treatable foodborne disease but can cause hospitalizations and fatalities. We reviewed the literature published in China to better understand the prevalence of L.

[Quality control results of microbiology of provincial laboratories in China in 2014].

Objective: To get a baseline of 32 provincial center for disease control and prevention( CDC) microbiology laboratory in the aspect of quantitative test ability of Staphylococcus aureu, qualitative test ability of diarrheagenic Escherichia coli and unknown intestinal pathogen, and to comprehend the quality of microbiology testing.

Methods: Two different concentration samples of Staphylococcus aureus I and II were made. Diarrheagenic Escherichia coli and unknown intestinal pathogen samples were transported using the special semi-solid AGAR transport medium, in the form of four pure different serotypes each.

Trends of foodborne diseases in China: lessons from laboratory-based surveillance since 2011.

Foodborne disease is one of the most important public health issues worldwide. China faces various and unprecedented challenges in all aspects of the food chain. Data from laboratory-based foodborne disease surveillance systems from 2013 to 2016, as well as different regions and ages, can be found along with differences in the patterns of pathogens detected with diverse characteristics.

[Analysis of antimicrobial resistance results of Vibrio parahaemolyticus isolated from shellfish and its habitat in 2013].

Objective: To evaluate the antimicrobial resistance of Vibrio parahaemolyticus isolated from shellfish and its habitat in Sichuan, Fujian and Guangxi.

Methods: The susceptibility of 186 isolates of Vibrio parahaemolyticus to 8 antibiotics were determined by broth microdilution susceptibility test. The antibiotics of ampicillin, cefotaxime, ceftazidime, gentamicin, tetracycline, chloramphenicol, ciprofloxacin and trimethoprim/sulfamethoxazole were used.

Temporal and Spatial Variation in the Abundance of Total and Pathogenic Vibrio parahaemolyticus in Shellfish in China.

We investigated the abundance of total and pathogenic Vibrio parahaemolyticus in shellfish sampled from four provinces in China during May 2013 and March 2014 using the most probable number-polymerase chain reaction (MPN-PCR) method. Total V. parahaemolyticus was detected in 67.

[Molecular genetic makers for Vibrio parahaemolyticus--a review].

Vibrio parahaemolyticus is an important foodborne pathogen, of which the 03:K6 serotype caused many outbreaks in different countries since 1996. Based on the 10 years data (1992-2001) from China, gastroenteritis caused by Vibrio parahaemolyticus accounted for 31.1% of foodborne disease outbreaks that were resulted from microorganisms.

[Analysis on 2011 quality control results on aerobic plate count of microbiology laboratories in China].

Objective: To test the aerobic plate count examining capability of microbiology laboratories, to ensure the accuracy and comparability of quantitative bacteria examination results, and to improve the quality of monitoring.

Methods: The 4 different concentration aerobic plate count piece samples were prepared and noted as I, II, III and IV. After homogeneity and stability tests, the samples were delivered to monitoring institutions.

Extended MLST-based population genetics and phylogeny of Vibrio parahaemolyticus with high levels of recombination.

A collection of 174 global isolates of Vibrio parahaemolyticus were analyzed by multilocus sequence typing (MLST) on the basis of ten conserved genes. The results showed a high level of nucleotide and allelic diversity with the evidence of purifying selection and of frequent recombination. Recombination played a much greater role than mutation in generating genetic heterogeneity.

[Development and evaluation of whole-genome DNA microarray of Vibrio parahaemolyticus].

Objective: We developed and evaluated a whole-genome DNA microarray of Vibrio parahaemolyticus.

Methods: Based on the genomic sequences of V. parahaemolyticus, we chose a total number of 4770 genes, amplified them by PCR with specific primers, purified the PCR products and printed them onto glass slides.

The low-salt stimulon in Vibrio parahaemolyticus.

Vibrio parahaemolyticus is the leading cause of seafood-associated bacterial gastroenteritis and is a moderately halophilic, salt-requiring bacterium. Global gene expression profiles of V. parahaemolyticus grown under 2% and 0.

Cold-induced gene expression profiles of Vibrio parahaemolyticus: a time-course analysis.

A whole-genome DNA microarray was constructed to dissect expression profiles of Vibrio parahaemolyticus in response to a sudden temperature downshift from 37 to 10 degrees C. The mRNA level of each gene at each of three time points (20, 40 and 60 min after temperature downshift) was compared with that just before cold treatment. Clustering analysis of time-course data revealed nine gene clusters with different time-dependent expression patterns.

Genome plasticity of Vibrio parahaemolyticus: microevolution of the 'pandemic group'.

Background: Outbreak of V. parahaemolyticus infections occurred since 1996 was linked to a proposed clonal complex, the pandemic group. The whole genome sequence provides an unprecedented opportunity for dissecting genome plasticity and phylogeny of the populations of V.