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| 1 | Characteristics of Settings and Etiologic Agents of Foodborne Disease Outbreaks—China,2020显示文摘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・The number and proportion of outbreaks,illnesses,hospitalizations,deaths by setting,pathogen-food category pairs and etiology were calculated.Results:In 2020,7,073 foodborne disease outbreaks were reported,resulting in 37,454 illnesses and 143 deaths.Among the identified pathogens,microbial pathogens were the most common confirmed etiology,accounting for 41.7%of illnesses.Poisonous mushrooms caused the largest proportion of outbreaks(58.0%)and deaths(57.6%).For venues where foodborne disease outbreaks occur,household had the highest number of outbreaks(4,140)and deaths(128),and catering service locations caused the largest proportion of illnesses(59.9%).Outbreaks occurring between June and September accounted for 62.8%of total outbreaks.Conclusions:Foodborne disease outbreaks mainly occurred in households・Microbial pathogens remained the top cause of outbreak-associated illnesses.Poisonous mushrooms were ranked the top cause of deaths in private homes in China.The supervision and management of food safety and health education should be strengthened to reduce the burden of foodborne diseases・Publicity should be increased to reduce the incidence of mushroom poisonings in families,and supervision and management of food should be strengthened to reduce microbial contamination. | Hongqiu Li Weiwei Li Yue Dai Yuyan Jiang Junhua Liang Santao Wang Maoqiang Zhuang Zheng Huang Lizi Xu Bo Xue Jikai Liu Haihong Han Sara M.Pires Ping Fu Yunchang Guo | 2021 | China CDC weekly2021，3，42： | 14 |
| 2 | Epidemiological Evaluation of Bacillus cereus-Induced Foodborne Outbreaks — China, 2010–2020显示文摘Introduction:Bacillus cereus(B.cereus)is a common gram-positive bacterium that contaminates starch-rich food and can cause outbreaks of foodborne diseases.This study describes characteristics of outbreaks caused by B.cereus in China during 2010–2020 and explore the possible reasons for changes in the number of outbreaks over time.Results of this analysis can efficiently help guide and allocate public resources to prevent B.cereus caused foodborne diseases.Methods:Descriptive statistical methods were used to analysis the data on B.cereus outbreaks in China during this period.The data were identified,reported at all levels in China through National Foodborne Disease Outbreak Surveillance System.Results:From 2010 to 2020,a total of 419 foodborne outbreaks prompted by B.cereus were reported in China,leading to 7,892 cases,2,786 hospital admissions,and 5 fatalities.The bulk of the outbreaks were recorded in the summer,primarily between May and September.The most recurrent food vehicle was linked with rice or flour-based products,notably those made with rice or fried rice.School canteens bore the brunt of the B.cereus outbreaks.In multifactor outbreaks,food contamination was identified as the most common culprit;while in instances where only one factor contributed,improper storage was most frequently implicated.Conclusion:The prevalence of B.cereus outbreaks remained relatively consistent throughout the studied period.Understanding the types of foods,causative factors,and contributing elements leading to B.cereus outbreaks can help inform prevention strategies for foodborne illnesses.The majority of outbreaks were associated with rice-or flour-based foods in school canteens,suggesting contamination and improper storage during food preparation.Consequently,it is essential to prioritize continuous education for canteen staff on food safety,efficacious management,and proper practices.The implementation of comprehensive guidelines,encompassing multiple critical aspects,can potentially reduce the occurrence of B.cereus outbreaks. | Shenggang Duan Yue Yu Yunchang Guo Donglei Lu Ning Li Zhitao Liu Jinjun Liang Yuyan Jiang Santao Wang Ping Fu Jikai Liu Hong Liu | 2023 | China CDC weekly2023，5，33： | 0 |
| 3 | Shenweifang-containing serum inhibits transforming growth factor-β1–induced myofibroblast differentiation in normal rat kidney interstitial fibroblast cells显示文摘OBJECTIVE:To investigate the efficacy of Shenweifang(SWF)-containing serum on transforming growth factor(TGF)-β1–induced fibroblast-myofibroblast transition in normal rat kidney interstitial fibroblast cells(NRK-49 F).METHODS:Sprague-Dawley rats were gavaged with one of five solutions:(a)saline;(b)saline plus low-dose SWF;(c)saline plus medium-dose SWF;(d)saline plus highdose SWF;and(e)saline plus valsartan.NRK-49 F cells were treated with TGF-β1 and cultured using serum from the gavaged rats.RESULTS:TGF-β1 treatment increased the expression ofα-smooth muscle actin,proliferating cell nuclear antigen,collagenⅠ,Smad3,mitogen-activated protein kinase(MAPK)10,and c-Jun N-terminal kinase(JNK)3 and induced abnormalities in cell morphology,cell cycle progression,and cell proliferation.CONCLUSIONS:SWF-or valsartan-containing serum corrected(or partially corrected)TGF-β1–induced abnormal changes in this in vitro system.SWF-containing serum reversed abnormalities in morphology,cell cycle progression,and proliferation in TGF-β1–treated NRK-49F cells,probably by blocking the TGF-β1/Smads and TGF-β1/MAPK/JNK pathways. | LIN Jiaru WANG Li CHEN Bo OU Santao QIN Jianhua FAN Junming | 2022 | Journal of Traditional Chinese Medicine2022，42，1： | 0 |
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