在现代新鲜农产品疫情记录（大肠杆菌、沙门氏菌、李斯特菌）中，绿叶菜和葫芦科蔬果处于核心位置。
原始表述
فضلاً عن كونها أكثر أغذية تفشّيات الإشريكية القولونية والسالمونيلا والليستيريا في الأدبيات الحديثة
按来源为原话. 译文由本项目提供；以阿拉伯语原文为准。
译文
在现代新鲜农产品疫情记录（大肠杆菌、沙门氏菌、李斯特菌）中，绿叶菜和葫芦科蔬果处于核心位置。
出处
- 来源状态
- 档案网站编辑
- 归属
- Archive editors
- 出处
- https://eltayebat.com/rule/leafy-greens-cucurbits/
- 归属的不确定性
- Archive editorial text and study selection written by the archive operators, not necessarily by Elawady.
- 所声称的机制
Microbial contamination of produce eaten raw.
- 所声称的健康影响
Foodborne infections, HUS, deaths.
- 涉及人群
Consumers of raw produce
- Elawady 设定的地域限制
none found
科学评估
基本正确 – 核心内容正确，但有局限或细微不准确之处。
证据确定性: 中 – 进一步研究仍可能影响该评估。
1. 说法是什么？
Leafy greens/cucurbits dominate produce outbreaks.
2. 哪些内容可证实是正确的？
Leafy vegetables were the single commodity with most outbreak-attributed illnesses in the US 1998-2008 (2.2 million, 22%); documented outbreaks include spinach E. coli O157:H7 (225 cases, 5 deaths), packaged salad Listeria (19 US + 14 Canadian cases), cucumber Salmonella Newport (275 cases).
3. 哪些内容是错误或夸大的？
Outbreaks reflect the large volume of produce eaten raw; most leafy-vegetable illnesses in Painter 2013 were norovirus, often linked to food handling. Deaths were attributed most often to poultry (6.0% of outbreak deaths were attributed to leafy vegetables). A risk from contamination is a hygiene issue, not a property of the vegetables.
4. 哪些内容仍不明确？
Per-serving absolute risk is not reported in these sources.
5. 哪些研究支持该说法？
Sharapov 2016; Self 2019; Angelo 2015; Painter 2013.
6. 哪些研究与该说法相矛盾？
Painter 2013 (poultry most deaths; produce risk mostly norovirus).
7. 对德国和欧洲而言情况如何？
EU hygiene rules and outbreak surveillance apply; outbreaks are rare relative to consumption.
8. 关于埃及的已知情况是什么？
No Egyptian outbreak data reviewed; hygiene of irrigation water and washing are relevant.
9. 合理的实际结论是什么？
清洗农产品，保持冷链，并遵循针对高风险人群的建议；避开所有绿叶菜并不是推荐的应对方式。
评估详情
- 证据确定性的依据
US outbreak-attribution data (Painter 2013) attribute more illnesses to leafy vegetables (22%) than to any other commodity, but mostly norovirus and a smaller share of deaths (6.0%); poultry caused the most deaths. Outbreak data do not translate into a high per-serving risk.
- 来源质量
Archive cites genuine outbreak reports; it omits denominators and the comparison with animal foods.
- 地区可推广性
US data; European patterns are broadly similar for produce but differ in detail (not reviewed in depth).
- 个体例外情况
Pregnant women, elderly and immunocompromised people are at higher risk (e.g. Listeria) and should follow food-safety advice.
- 说法的地域范围
- 未说明
- 最近审核
- 2026年10月26日 初步
科学证据详解
有充分科学证据支持 – 该说法与一致的高质量证据相符。
研究问题: Are leafy greens and cucurbits leading vehicles in the modern fresh-produce foodborne outbreak record?
研究问题详解 (PECO)
- 人群
- Consumers in surveillance systems (US, EU)
- 干预或暴露
- Leafy greens, cucurbits (melons, cucumbers)
- 对照
- Other foods
- 地域范围
- production- and surveillance-dependent (US, EU data)
- 结局指标
- outbreaks
- illnesses
- hospitalisations
- deaths
研究结果按作者报告呈现。我们的评估见下文。
哪些证据支持该说法？
Which foods cause food poisoning in the US
Painter 2013 CDC attribution.
- 实际结果
- Leafy vegetables 22% of illnesses (largest commodity), 6.0% of deaths; poultry most deaths.
- 方法学质量
- moderate-high
- 相关性
- direct
- 局限
- Outbreak data only.
EFSA: raw leafy greens top plant-food hazard
EFSA Panel on Biological Hazards (BIOHAZ). EFSA J 2013 · PMID 42124987 · DOI 10.2903/j.efsa.2013.3025 风险评估已核查摘要新增EFSA BIOHAZ 2013 risk ranking.
- 实际结果
- Top-ranked combination: Salmonella and raw leafy greens; melons also ranked; FoNAO 5% of outbreak deaths excluding 2011 O104.
- 方法学质量
- authoritative
- 相关性
- direct (EU)
- 局限
- Outbreak data.
Leafy greens: frequent but rarely deadly outbreak source
Herman 2015 US leafy-vegetable outbreaks 1973-2012.
- 实际结果
- 606 outbreaks, 20,003 illnesses, 19 deaths; norovirus 55%; ill food worker in 31%.
- 方法学质量
- moderate
- 相关性
- direct
- 局限
- Surveillance bias.
哪些证据不支持该说法？
未发现反对该说法的高质量证据。
总体证据说明了什么？
基于上述研究的编辑评估——其本身并非研究结果。
哪种观点有更好的证据支持？
Correct: leafy greens are among the most frequent outbreak vehicles in US and EU data, and melons/cucumbers have caused notable outbreaks. Per-serving risk and fatality are low; many outbreaks stem from food handling.
为什么有些研究权重更大
National surveillance analyses from two regions agree.
因果关系是否已确立？ 是，已确立 Outbreak investigations link vehicles to cases.
仍存在的不确定性
Per-serving risk.
合理的结论
Mostly true as a description of the outbreak record; it does not imply that vegetables are unsafe to eat.
为什么研究结果看起来互相矛盾？
Leafy greens lead in illnesses but not in deaths (poultry); both are true and answer different questions.
这是否取决于国家？
- 一般生物学效应
- Pathogen biology universal.
- 饮食习惯
- Raw salads are common in Egypt.
- 食品原产地
- Irrigation water and handling practices drive contamination.
- 污染物
- Microbial contamination.
- 本国生产条件
- Egyptian outbreak surveillance data not found.
- 法律规则
- EU and US produce-safety rules.
- 实际监测数据
- US/EU surveillance.
足以改变结论的地区差异没有可靠数据支持。
统计复核
- Case fatality and hospitalisation proportions – Hospitalised 5.1%; CFR 0.095%. 已重新计算
- Case fatality – CFR 0.21%. 已重新计算
总体证据的确定性（GRADE，简化版）
- 主要结局
- Share of produce-associated outbreaks attributed to leafy greens
- 起始等级
- 低（观察性研究）
- 升级理由
- consistency across countries and decades
- 结果
- 中
由单名审查者参照 GRADE 方法进行的简化评估；并非正式的 GRADE 专家组评估。GRADE 评价的是针对某一结局的整体证据，而非单项研究。
检索策略
本次审查的文献检索记录（检索式采用原数据库语法）。
| 数据库 | 日期 | 检索式 | 检索目标 | 命中数 | 纳入数 |
|---|---|---|---|---|---|
| PubMed | 2026年10月26日 | (outbreak*) AND (produce OR "leafy greens" OR "leafy vegetables") AND (United States OR Europe) AND (2010:2026[dp]) AND (review OR surveillance OR attribution) | 双向 | 2243 | |
| Europe PMC | 2026年10月26日 | TITLE:(outbreak* AND (produce OR "leafy greens" OR "leafy vegetables" OR "fresh vegetables" OR "fruits and vegetables")) | 双向 | 45 | |
| Europe PMC | 2026年10月26日 | "pathogens in food of non-animal origin" AND EFSA | 双向 | 8 | |
| CDC IFSAC website | 2026年10月26日 | https://www.cdc.gov/ifsac/php/data-research/annual-report-2022.html (HTTP 403, not used) | 指南 | 0 |
待解决的问题
Egyptian outbreak data.
核查深度如何？
7 项相关研究：1 项核查了全文（其中 0 项进行了结构化偏倚风险评估），6 项基于摘要核查，0 项仅核查了文献信息。 尚未进行由两名独立审查者完成的正式评估，也尚未进行独立的人类专家审核。
最近一次科学审核: 2026年10月26日
通俗解释
绿叶菜确实经常与食源性疾病暴发有关，因为它们是生吃的，而且吃的量大。在美国，与绿叶蔬菜相关的疫情患病人数比任何其他单一食物类别都多，大多是诺如病毒。然而，与禽肉相关的死亡更多。污染是一个卫生问题，可以通过清洗、正确储存和监管来减少，它并不意味着绿叶菜本身是有害的。
与该说法相关的研究
支持该说法的研究 (7)
-
E. coli outbreak from bagged spinach, US 2006
Sharapov UM et al.. J Food Prot 2016 · PMID 28221950 · DOI 10.4315/0362-028X.JFP-15-556暴发报告被 Tayebat 档案网站引用已核查摘要★ 关键研究225 people fell ill and 5 died after eating contaminated bagged spinach.
该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 高 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Investigate outbreak
- 研究是如何开展的？
Outbreak investigation
- 研究了多少人、动物或样本？
225 cases
- 实际发现了什么？
Bagged spinach source
- 观察到的效应有多大？
5 deaths
- 研究结果对日常生活意味着什么？
Contamination incidents happen; hygiene matters.
- 该研究有哪些局限？
Single event
- 它对 Elawady 的具体说法说明了什么？
Shows contamination risk
- 研究结果是否适用于德国和欧洲？
Moderate
- 从该研究中明确不能得出什么结论？
Cannot show spinach is inherently harmful.
-
Listeria in packaged salads
Self JL et al.. Emerg Infect Dis 2019 · PMID 31310227 · DOI 10.3201/eid2508.180761暴发报告被 Tayebat 档案网站引用已核查摘要33 listeriosis cases linked to salads from one factory.
该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 高 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Investigate outbreak
- 研究是如何开展的？
Genomic outbreak study
- 研究了多少人、动物或样本？
33 cases
- 实际发现了什么？
One facility
- 观察到的效应有多大？
Not applicable
- 研究结果对日常生活意味着什么？
High-risk groups need care with packaged salads.
- 该研究有哪些局限？
Single event
- 它对 Elawady 的具体说法说明了什么？
Partly supports
- 研究结果是否适用于德国和欧洲？
Moderate
- 从该研究中明确不能得出什么结论？
Cannot show salads are generally harmful.
-
Salmonella from cucumbers, US 2014
Angelo KM et al.. MMWR Morb Mortal Wkly Rep 2015 · PMID 25695319暴发报告被 Tayebat 档案网站引用已核查摘要275 people infected; cucumbers likely source.
该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 中 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Find source
- 研究是如何开展的？
Outbreak report
- 研究了多少人、动物或样本？
275 patients
- 实际发现了什么？
Cucumbers
- 观察到的效应有多大？
Not applicable
- 研究结果对日常生活意味着什么？
Contamination events occur.
- 该研究有哪些局限？
Regional
- 它对 Elawady 的具体说法说明了什么？
Partly
- 研究结果是否适用于德国和欧洲？
Low
- 从该研究中明确不能得出什么结论？
Cannot show cucumbers are inherently harmful.
-
Which foods cause food poisoning in the US
Painter JA et al.. Emerg Infect Dis 2013 · PMID 23622497 · DOI 10.3201/eid1903.111866其他独立交叉核查已核查全文★ 关键研究Leafy vegetables caused the most outbreak illnesses (22%), poultry the most deaths.
该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 中 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Attribute illness
- 研究是如何开展的？
Model on outbreak data
- 研究了多少人、动物或样本？
US 1998-2008
- 实际发现了什么？
Leafy vegetables 22% illnesses
- 观察到的效应有多大？
6% deaths
- 研究结果对日常生活意味着什么？
Hygiene matters for greens and poultry.
- 该研究有哪些局限？
Outbreak-based
- 它对 Elawady 的具体说法说明了什么？
Partly supports
- 研究结果是否适用于德国和欧洲？
Moderate
- 从该研究中明确不能得出什么结论？
Cannot give per-serving risk.
-
Leafy greens: frequent but rarely deadly outbreak source
Herman KM et al.. Epidemiol Infect 2015 · PMID 25697407 · DOI 10.1017/S0950268815000047其他独立交叉核查已核查摘要★ 关键研究Over 40 years, US leafy-vegetable outbreaks caused 20,003 illnesses and 19 deaths; many involved infected food workers.
606 US leafy-vegetable outbreaks 1973-2012; mostly norovirus; low fatality.
该研究是否支持这一具体说法？ 是 · 方法学质量: 中 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Describe US leafy-vegetable outbreaks.
- 研究是如何开展的？
Surveillance review.
- 研究了多少人、动物或样本？
606 outbreaks.
- 实际发现了什么？
Large outbreaks, mostly norovirus, low fatality.
- 观察到的效应有多大？
CFR ~0.1%.
- 研究结果对日常生活意味着什么？
Washing hands and safe handling matter as much as farming.
- 该研究有哪些局限？
Outbreak data only.
- 它对 Elawady 的具体说法说明了什么？
Supports the claim with context.
- 研究结果是否适用于德国和欧洲？
US.
- 从该研究中明确不能得出什么结论？
Cannot estimate risk per serving.
-
Raw produce causes a growing share of US outbreaks
Bennett SD et al.. Epidemiol Infect 2018 · PMID 29923474 · DOI 10.1017/S0950268818001620其他独立交叉核查已核查摘要Raw produce caused 972 outbreaks in 1998-2013, rising from 8% to 16% of outbreaks with a known food; leafy row crops led.
Raw produce share of outbreaks doubled; vegetable row crops most common.
该研究是否支持这一具体说法？ 是 · 方法学质量: 中 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Analyse raw-produce outbreaks.
- 研究是如何开展的？
Surveillance analysis.
- 研究了多少人、动物或样本？
972 outbreaks.
- 实际发现了什么？
Increasing share; row crops most common.
- 观察到的效应有多大？
72 deaths / 34,674 illnesses.
- 研究结果对日常生活意味着什么？
Produce safety matters, but serious outcomes are rare.
- 该研究有哪些局限？
Outbreak data only.
- 它对 Elawady 的具体说法说明了什么？
Supports the claim.
- 研究结果是否适用于德国和欧洲？
US.
- 从该研究中明确不能得出什么结论？
Cannot give per-serving risk.
-
EFSA: raw leafy greens top plant-food hazard
EFSA Panel on Biological Hazards (BIOHAZ). EFSA J 2013 · PMID 42124987 · DOI 10.2903/j.efsa.2013.3025风险评估独立交叉核查已核查摘要★ 关键研究EFSA ranked Salmonella in raw leafy greens as the highest-risk plant food combination; outside the 2011 sprout outbreak, plant foods caused 5% of outbreak deaths.
EFSA ranked Salmonella in raw leafy greens top; melons also ranked.
该研究是否支持这一具体说法？ 是 · 方法学质量: 中 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Rank pathogen risks in plant foods.
- 研究是如何开展的？
Risk ranking.
- 研究了多少人、动物或样本？
EU outbreaks 2007-2011.
- 实际发现了什么？
Leafy greens top; melons ranked.
- 观察到的效应有多大？
FoNAO 10% outbreaks.
- 研究结果对日常生活意味着什么？
Wash and handle salads safely; serious cases are uncommon.
- 该研究有哪些局限？
Outbreak data.
- 它对 Elawady 的具体说法说明了什么？
Supports the claim.
- 研究结果是否适用于德国和欧洲？
EU.
- 从该研究中明确不能得出什么结论？
No per-serving risk.
该组中没有被标记为关键研究的研究。
与该说法相矛盾或限制该说法的研究 (0)
该组中没有研究。
结果不一或不明确的研究 (0)
该组中没有研究。
地区背景
德国 / 欧盟
EU hygiene rules and outbreak surveillance apply; outbreaks are rare relative to consumption.
埃及
No Egyptian outbreak data reviewed; hygiene of irrigation water and washing are relevant.
- Food-safety governance and official controls
- Pesticide residues in fruit and vegetables on the EU/German market (incl. imports from Egypt)
- Pesticide residues in produce sold on the Egyptian domestic market
- Antibiotic (veterinary drug) residues in poultry meat and eggs
- Antimicrobial use in food animals and antibiotic growth promoters
- Hormones in poultry, meat, milk and farmed fish
- Dioxins, PCBs and PFAS in eggs and other animal foods
- Aflatoxin M1 in milk and dairy products
- Aflatoxins in groundnuts (peanuts)
- Heavy metals in fish
- Farmed fish (aquaculture): drugs, water source and controls
- Nitrate in leafy vegetables
- Microbiological safety of fresh produce, herbs and spices
- Import controls and the meaning of RASFF notifications for Egyptian products
在我的国家适用什么？
一般科学评估
基本正确 绿叶菜是常见的疫情传播载体，但每份的风险很低，可以通过卫生措施加以控制。
以下食品安全领域与该说法相关：
- 农药与农药残留
- 兽药与抗生素
- 激素类促生长剂
- 污染物（重金属、PFAS、PCB、二噁英、硝酸盐）
- 病原体（沙门氏菌、弯曲杆菌等）
蛋类 · 禽类 · 乳制品 · 鱼类与海产品 · 红肉 · 水果与蔬菜
选择一个国家，查看针对该国已核查的信息。
局限：法律规则描述的是允许什么，而不是每一种食品实际含有什么。检测数据来自样本，只有结合其方法细节才有意义。
参考文献
- Multistate Outbreak of Escherichia coli O157:H7 Infections Associated with Consumption of Fresh Spinach: United States, 2006.. Sharapov UM et al.. J Food Prot 2016 · PMID 28221950 · DOI 10.4315/0362-028X.JFP-15-556
- Multistate Outbreak of Listeriosis Associated with Packaged Leafy Green Salads, United States and Canada, 2015-2016.. Self JL et al.. Emerg Infect Dis 2019 · PMID 31310227 · DOI 10.3201/eid2508.180761
- Outbreak of Salmonella Newport infections linked to cucumbers--United States, 2014.. Angelo KM et al.. MMWR Morb Mortal Wkly Rep 2015 · PMID 25695319
- Attribution of foodborne illnesses, hospitalizations, and deaths to food commodities by using outbreak data, United States, 1998-2008.. Painter JA et al.. Emerg Infect Dis 2013 · PMID 23622497 · DOI 10.3201/eid1903.111866
- Outbreaks attributed to fresh leafy vegetables, United States, 1973-2012.. Herman KM et al.. Epidemiol Infect 2015 · PMID 25697407 · DOI 10.1017/S0950268815000047
- Produce-associated foodborne disease outbreaks, USA, 1998-2013.. Bennett SD et al.. Epidemiol Infect 2018 · PMID 29923474 · DOI 10.1017/S0950268818001620
- Scientific Opinion on the risk posed by pathogens in food of non-animal origin. Part 1 (outbreak data analysis and risk ranking of food/pathogen combinations).. EFSA Panel on Biological Hazards (BIOHAZ). EFSA J 2013 · PMID 42124987 · DOI 10.2903/j.efsa.2013.3025