Article(id=1320427692281942693, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320427658937225679, articleNumber=null, orderNo=null, doi=10.11847/zgggws1148605, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1754409600000, receivedDateStr=2025-08-06, revisedDate=1759766400000, revisedDateStr=2025-10-07, acceptedDate=1774627200000, acceptedDateStr=2026-03-28, onlineDate=1792744094199, onlineDateStr=2026-10-23, pubDate=1786291200000, pubDateStr=2026-08-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792744094199, onlineIssueDateStr=2026-10-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792744094199, creator=13701087609, updateTime=1792744094199, updator=13701087609, issue=Issue{id=1320427658937225679, tenantId=1146029695717560320, journalId=1319373219989389464, year='2026', volume='42', issue='8', pageStart='897', pageEnd='1024', issueExtLink='null', onlineDate='null', pubDate='1786291200000', pubDateStr='2026-08-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792744086250, creator='13701087609', updateTime=1792747993375, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320444046678544663, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320427658937225679, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320444046678544664, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320427658937225679, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=993, endPage=998, ext={EN=ArticleExt(id=1320427692562961063, articleId=1320427692281942693, tenantId=1146029695717560320, journalId=1319373219989389464, language=EN, title=A gastroenteritis outbreak primarily caused by enteropathogenic
Escherichia coli: a retrospective field epidemiological investigation, columnId=1320427692466492070, journalTitle=Chinese Journal of Public Health, columnName=Public Health Field Report, runingTitle=null, highlight=null, articleAbstract=
Objective To investigate the epidemiological characteristics and causative agents of a gastroenteritis outbreak at a team-building facility, providing a scientific basis for developing targeted prevention and control measures.
Methods A field epidemiological investigation was conducted regarding a gastroenteritis outbreak that occurred on April 26, 2025, at a team-building facility in Ningbo city. Medical records were reviewed, and on-site interviews and questionnaire surveys were conducted to establish a case definition. According to this definition, cases were identified, and data were collected to describe the epidemiological distribution characteristics of the cases. A case-control study was performed through propensity score matching (PSM) to match 69 cases with 69 controls at a ratio of 1 : 1, and potential causative factors were analyzed. Anal swab samples from cases and restaurant staff, food samples retained for testing, and environmental samples from the kitchen were collected for fluorescence quantitative PCR and bacteria isolation. Whole genome sequencing was performed for the isolates to trace the sources.
Results A total of 525 individuals were involved in the investigation. Seventy cases (including probable and confirmed cases) were identified, with an attack rate of 13.3%. The primary clinical symptoms were diarrhea (100.0%, 70/70) and abdominal pain (65.7%, 46/70), while vomiting was rare (4.3%, 3/70). The epidemic curve showed a point source exposure pattern, with a median incubation period of 14 h (range of 2–26 h). Multivariate logistic regression analysis showed that beer duck (OR = 3.028, 95%CI: 1.331–6.887), stir-fried vegetables (OR = 3.184, 95%CI: 1.461–6.936), and scrambled eggs with tomatoes (OR = 4.160, 95%CI: 1.715–10.089) increased the risk of disease. Laboratory tests found that among the 10 diarrheagenic Escherichia coli (DEC) nucleic acid-positive case samples, enteropathogenic Escherichia coli (EPEC), enteroaggregative E. coli (EAEC), and enterotoxigenic E. coli (ETEC) accounted for 80.0% (8/10), 10.0% (1/10), and 10.0% (1/10), respectively. EPEC nucleic acid was detected in multiple food and environmental samples such as stir-fried vegetables and stir-fried pork. The EPEC strains from the two cases were highly homologous (0 allele difference).
Conclusions This is an outbreak of gastroenteritis caused by polytype DEC (mainly EPEC) contaminating various dishes in the lunch of a team-building facility.
, authors=Zhanhao FU
1, Xinyu ZHANG
1, Beibei YU
1, Yihong ZHU
1, Yang LU
1, Yujian LU
2, Keqin DING
3, authorsList=Zhanhao FU, Xinyu ZHANG, Beibei YU, Yihong ZHU, Yang LU, Yujian LU, Keqin DING, authorCompany=null, correspAuthors=Keqin DING, authorNote=null, correspAuthorsNote=
, copyrightStatement=Copyright © 2026 Chinese Journal of Public Health. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1320427694496535214, articleId=1320427692281942693, tenantId=1146029695717560320, journalId=1319373219989389464, language=CN, title=一起由EPEC为主引起的胃肠炎暴发事件:基于现场流行病学回顾性调查, columnId=1320427692667818664, journalTitle=中国公共卫生, columnName=公共卫生案例, runingTitle=null, highlight=null, articleAbstract=
目的 调查某团建基地一起胃肠炎暴发事件的流行病学特征与致病因子,为制定针对性预防控制措施提供科学依据。
方法 对2025年4月26日宁波市某团建基地发生的一起胃肠炎暴发事件进行现场流行病学调查。通过查阅病历、现场访谈及问卷调查,制定病例定义并搜索病例、收集资料,描述病例流行病学分布特征。采用倾向评分匹配法(PSM)对69例病例进行1 : 1匹配以确定69名对照,进行病例对照研究分析可疑致病因子。采集病例及餐厅员工的肛拭子样本、食品留样及厨房环境样本进行荧光定量PCR及细菌分离培养,对分离菌株进行全基因组测序(WGS)溯源分析。
结果 本次调查共涉及525人,发现可能病例和确诊病例70例,罹患率为13.3%,临床症状以腹泻(100.0%,70/70)和腹痛(65.7%,46/70)为主,呕吐少见(4.3%,3/70)。流行曲线呈点源暴露模式,潜伏期中位数为15.5 h(范围2~35 h)。多因素logistic回归分析显示,食用啤酒鸭(OR=3.028,95%CI=1.331~6.887)、清炒时蔬(OR=3.184,95%CI=1.461~6.936)和西红柿炒鸡蛋(OR=4.160,95%CI=1.715~10.089)是发病的独立危险因素。实验室检测显示,10份致泻性大肠埃希菌(DEC)核酸阳性病例样本中,肠致病性大肠埃希菌(EPEC)占80.0%(8/10),肠集聚性大肠埃希菌(EAEC)及肠产毒性大肠埃希菌(ETEC)各占10.0%(1/10)。清炒时蔬、小炒肉等多份食品留样及环境样本中检出EPEC核酸。2株病例来源的EPEC菌株高度同源(等位基因差异数为0)。
结论 这是一起由多型别DEC(以EPEC为主)污染团建基地多种热加工午餐食品引发的胃肠炎暴发事件。
, authors=符展豪
1, 张新宇
1, 俞贝贝
1, 祝一鸿
1, 陆阳
1, 陆毓剑
2, 丁克琴
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符展豪(1996—),主管医师,本科,研究方向:传染病、食源性疾病预防控制
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Escherichia coli outbreak reporting to foodborne disease outbreaks surveillance system—China, 2011–2022[J]. China CDC Weekly, 2024, 6(51): 1370-1374., articleTitle=null, refAbstract=null), Reference(id=1320427702230831863, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=3, rfOrder=2, authorNames=null, journalName=null, refType=null, unstructuredReference=Heo N, Lee J, Kim Y, et al. The epidemiological and clinical characteristics of the largest outbreak of enterohemorrhagic
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Escherichia coli: foe or innocent bystander?[J]. Clin Microbiol Infect, 2015, 21(8): 729-734., articleTitle=null, refAbstract=null), Reference(id=1320427704067937017, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=5, rfOrder=4, authorNames=null, journalName=null, refType=null, unstructuredReference=Ohya K, Hirose S, Nishikaku K, et al. Genomic features and pathogenicity of atypical diarrheagenic
Escherichia coli from a large foodborne outbreak[J]. International Journal of Food Microbiology, 2025, 434: 111134., articleTitle=null, refAbstract=null), Reference(id=1320427704135045882, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=6, rfOrder=5, authorNames=null, journalName=null, refType=null, unstructuredReference=Ryan E T, Hill D R, Solomon T, et al. Hunter's tropical medicine and emerging infectious diseases[M]. 10th ed. Amsterdam: Elsevier, 2020., articleTitle=null, refAbstract=null), Reference(id=1320427704231514875, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=7, rfOrder=6, authorNames=null, journalName=null, refType=null, unstructuredReference=Lee J B, Kim S K, Yoon J W. Pathophysiology of enteropathogenic
Escherichia coli during a host infection[J]. Journal of Veterinary Science, 2022, 23(2): e28., articleTitle=null, refAbstract=null), Reference(id=1320427704327983868, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=8, rfOrder=7, authorNames=null, journalName=null, refType=null, unstructuredReference=Gomes TAT, Elias WP, Scaletsky ICA, et al. Diarrheagenic
Escherichia coli[J]. Brazilian Journal of Microbiology, 2016, 47 Suppl 1: 3-30., articleTitle=null, refAbstract=null), Reference(id=1320427704441230077, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=9, rfOrder=8, authorNames=null, journalName=null, refType=null, unstructuredReference=Yang S C, Lin C H, Aljuffali I A, et al. Current pathogenic
Escherichia coli foodborne outbreak cases and therapy development[J]. Archives of Microbiology, 2017, 199(6): 811-825., articleTitle=null, refAbstract=null), Reference(id=1320427704550281982, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=10, rfOrder=9, authorNames=null, journalName=null, refType=null, unstructuredReference=Liu L, Wang S, Yu X L, et al.
EnteroaggregativeEscherichia coli foodborne outbreak in Shandong Province, China (2023): comprehensive epidemiology and genomic resistance profiling[J]. Frontiers in Microbiology, 2025, 16: 1577277., articleTitle=null, refAbstract=null), Reference(id=1320427704659333887, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=11, rfOrder=10, authorNames=null, journalName=null, refType=null, unstructuredReference=Abey S L, Teka M, Bitew A B, et al. Detection and antibiogram profile of diarrheagenic
Escherichia coli isolated from two abattoir settings in northwest Ethiopia: a onehealth perspective[J]. One HealthOutlook, 2024, 6(1): 8., articleTitle=null, refAbstract=null), Reference(id=1320427704722248448, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=12, rfOrder=11, authorNames=null, journalName=null, refType=null, unstructuredReference=李雪原, 史一, 王尚敏, 等. 2010—2020年中国大陆生熟交叉污染导致食源性疾病暴发事件流行病学特征分析[J]. 中国食品卫生杂志, 2022, 34(5): 1016-1021., articleTitle=null, refAbstract=null), Reference(id=1320427704789357313, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=13, rfOrder=12, authorNames=null, journalName=null, refType=null, unstructuredReference=Hazen TH, Michalski JM, Tennant SM, et al. Genomic diversity of non-diarrheagenic fecal
Escherichia coli from children in sub-Saharan Africa and south Asia and their relatedness to diarrheagenic
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Epidemic curve of a gastroenteritis outbreak in an electrical appliance company, figureFileSmall=ejvpjn5wNX/1bOVk28HPqg==, figureFileBig=yYIcEIcggzYJ9eDehhX+ug==, tableContent=null), ArticleFig(id=1320427700116902632, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, language=CN, label=图1, caption=
某电器公司胃肠炎暴发事件流行曲线, figureFileSmall=ejvpjn5wNX/1bOVk28HPqg==, figureFileBig=yYIcEIcggzYJ9eDehhX+ug==, tableContent=null), ArticleFig(id=1320427700335006441, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, language=EN, label=Fig.2, caption=
cgMLST analysis of isolated EPEC strains, figureFileSmall=4xSLvq2uiJAIo16cU96utA==, figureFileBig=axXDQCwDfLtYfQWyRljMTg==, tableContent=null), ArticleFig(id=1320427700477612778, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, language=CN, label=图2, caption=
分离EPEC菌株的cgMLST聚类分析图, figureFileSmall=4xSLvq2uiJAIo16cU96utA==, figureFileBig=axXDQCwDfLtYfQWyRljMTg==, tableContent=null), ArticleFig(id=1320427700553110251, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, language=EN, label=Tab.1, caption=
Distribution of clinical symptoms of cases
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| 症状 | 次数∕性质 | 例数 | 百分比/% |
|---|
| 腹泻 | | 70 | 100.00 |
| 腹泻次数/(次/d) | 3~5 | 49 | 70.00 |
| 6~8 | 18 | 25.71 |
| ≥9 | 3 | 4.29 |
| 粪便性状 | 水样便 | 64 | 91.43 |
| 粘液便或血便 | 6 | 8.57 |
| 腹痛 | | 46 | 65.71 |
| 恶心 | | 14 | 20.00 |
| 呕吐 | | 3 | 4.29 |
| 发热 | | 0 | 0.00 |
), ArticleFig(id=1320427700645384940, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, language=CN, label=表1, caption=
病例临床症状分布
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| 症状 | 次数∕性质 | 例数 | 百分比/% |
|---|
| 腹泻 | | 70 | 100.00 |
| 腹泻次数/(次/d) | 3~5 | 49 | 70.00 |
| 6~8 | 18 | 25.71 |
| ≥9 | 3 | 4.29 |
| 粪便性状 | 水样便 | 64 | 91.43 |
| 粘液便或血便 | 6 | 8.57 |
| 腹痛 | | 46 | 65.71 |
| 恶心 | | 14 | 20.00 |
| 呕吐 | | 3 | 4.29 |
| 发热 | | 0 | 0.00 |
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Univariate analysis results of suspected food among 138 diners
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| 食品 | 暴露 | | 非暴露 | χ²值 | P值 | OR值 | 95%CI |
|---|
| 病例 | 非病例 | | 病例 | 非病例 |
|---|
| 红烧鱼块 | 28 | 18 | | 41 | 51 | 3.26 | 0.071 | 1.935 | 0.941~3.979 |
| 油豆腐红烧肉 | 57 | 45 | | 12 | 24 | 5.41 | 0.020 | 2.533 | 1.143~5.613 |
| 啤酒鸭 | 55 | 34 | | 14 | 35 | 13.96 | <0.001 | 4.044 | 1.905~8.587 |
| 肉末蒸水蛋 | 59 | 53 | | 10 | 16 | 1.71 | 0.191 | 1.781 | 0.744~4.263 |
| 宫保鸡丁 | 60 | 46 | | 9 | 23 | 7.97 | 0.005 | 3.333 | 1.409~7.885 |
| 豆角外婆菜 | 56 | 43 | | 13 | 26 | 6.04 | 0.014 | 2.605 | 1.200~5.656 |
| 小炒肉 | 54 | 45 | | 12 | 24 | 2.90 | 0.089 | 2.400 | 1.081~5.330 |
| 酸辣土豆丝 | 68 | 63 | | 1 | 6 | 2.41 | 0.121 | 6.476 | 0.758~55.296 |
| 葱油海带丝 | 61 | 58 | | 8 | 11 | 0.55 | 0.459 | 1.446 | 0.543~3.850 |
| 清炒时蔬 | 49 | 26 | | 20 | 43 | 15.45 | <0.001 | 4.052 | 1.987~8.262 |
| 万年青虾汤 | 14 | 7 | | 55 | 62 | 2.75 | 0.097 | 2.255 | 0.849~5.991 |
| 西红柿炒鸡蛋 | 59 | 40 | | 10 | 29 | 12.90 | <0.001 | 4.278 | 1.878~9.744 |
| 米饭 | 63 | 52 | | 6 | 17 | 6.31 | 0.012 | 3.433 | 1.262~9.336 |
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暴露与非暴露就餐者可疑食品单因素分析结果
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| 食品 | 暴露 | | 非暴露 | χ²值 | P值 | OR值 | 95%CI |
|---|
| 病例 | 非病例 | | 病例 | 非病例 |
|---|
| 红烧鱼块 | 28 | 18 | | 41 | 51 | 3.26 | 0.071 | 1.935 | 0.941~3.979 |
| 油豆腐红烧肉 | 57 | 45 | | 12 | 24 | 5.41 | 0.020 | 2.533 | 1.143~5.613 |
| 啤酒鸭 | 55 | 34 | | 14 | 35 | 13.96 | <0.001 | 4.044 | 1.905~8.587 |
| 肉末蒸水蛋 | 59 | 53 | | 10 | 16 | 1.71 | 0.191 | 1.781 | 0.744~4.263 |
| 宫保鸡丁 | 60 | 46 | | 9 | 23 | 7.97 | 0.005 | 3.333 | 1.409~7.885 |
| 豆角外婆菜 | 56 | 43 | | 13 | 26 | 6.04 | 0.014 | 2.605 | 1.200~5.656 |
| 小炒肉 | 54 | 45 | | 12 | 24 | 2.90 | 0.089 | 2.400 | 1.081~5.330 |
| 酸辣土豆丝 | 68 | 63 | | 1 | 6 | 2.41 | 0.121 | 6.476 | 0.758~55.296 |
| 葱油海带丝 | 61 | 58 | | 8 | 11 | 0.55 | 0.459 | 1.446 | 0.543~3.850 |
| 清炒时蔬 | 49 | 26 | | 20 | 43 | 15.45 | <0.001 | 4.052 | 1.987~8.262 |
| 万年青虾汤 | 14 | 7 | | 55 | 62 | 2.75 | 0.097 | 2.255 | 0.849~5.991 |
| 西红柿炒鸡蛋 | 59 | 40 | | 10 | 29 | 12.90 | <0.001 | 4.278 | 1.878~9.744 |
| 米饭 | 63 | 52 | | 6 | 17 | 6.31 | 0.012 | 3.433 | 1.262~9.336 |
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Multivariate logistic regression analysis results of suspected food
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| 食品 | β | OR值 | 95%CI |
|---|
| 啤酒鸭 | 1.108 | 3.028 | 1.331~6.887 |
| 清炒时蔬 | 1.158 | 3.184 | 1.461~6.936 |
| 西红柿炒鸡蛋 | 1.426 | 4.160 | 1.715~10.089 |
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可疑食品多因素logistic回归分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 食品 | β | OR值 | 95%CI |
|---|
| 啤酒鸭 | 1.108 | 3.028 | 1.331~6.887 |
| 清炒时蔬 | 1.158 | 3.184 | 1.461~6.936 |
| 西红柿炒鸡蛋 | 1.426 | 4.160 | 1.715~10.089 |
), ArticleFig(id=1320427701471662833, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, language=EN, label=Tab.4, caption=
Laboratory test results
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| 样本来源 | 样本类型 | 样本数 | DEC 阳性 | EPEC 阳性 | EAEC 阳性 | ETEC 阳性 | 诺如 阳性 | 备注 |
|---|
| 病例 | 粪便 | 12 | 5 | 5 | | | 2 | 1 例为 EPEC 与诺如病毒混合感染 |
| 肛拭子 | 21 | 5 | 3 | 1 | 1 | | |
| 食品 | 食品留样 | 13 | | 3 | | | | 3份EPEC阳性:清炒时蔬、小炒肉、豆角外婆菜 |
| 环境 | 拭子 | 33 | | 4 | | | | 4份EPEC阳性:砧板、盛菜盆、2楼原料堆放区、3楼原料堆放区 |
| 餐厅员工 | 肛拭子 | 12 | | | | | | |
), ArticleFig(id=1320427701714932466, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320427692281942693, language=CN, label=表4, caption=
实验室检测结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本来源 | 样本类型 | 样本数 | DEC 阳性 | EPEC 阳性 | EAEC 阳性 | ETEC 阳性 | 诺如 阳性 | 备注 |
|---|
| 病例 | 粪便 | 12 | 5 | 5 | | | 2 | 1 例为 EPEC 与诺如病毒混合感染 |
| 肛拭子 | 21 | 5 | 3 | 1 | 1 | | |
| 食品 | 食品留样 | 13 | | 3 | | | | 3份EPEC阳性:清炒时蔬、小炒肉、豆角外婆菜 |
| 环境 | 拭子 | 33 | | 4 | | | | 4份EPEC阳性:砧板、盛菜盆、2楼原料堆放区、3楼原料堆放区 |
| 餐厅员工 | 肛拭子 | 12 | | | | | | |
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