基于风险的检测作为一种具有成本效益的策略,以减少由于沙门氏菌引起的食物传播疾病
Yue Huo1, Hailin Li2, Jiayu Wang3
1Harbin Medical University Cancer Hospital, Harbin 150081, China.
Heliyon
|December 11, 2023
概括
使用聚合酶链反应 (PCR) 和培养方法的基于风险的检测策略改善了水产品中的沙门氏菌检测. 这种方法提高了成本效益和食品安全,而不是传统的纯种植方法.
科学领域:
- 食品安全 食品安全
- 微生物学 微生物学
- 公共卫生 公共卫生
背景情况:
- 沙门氏菌是一种主要的食源性病原体,影响全球食品安全,造成经济损失.
- 准确及时检测病原体对于预防污染和疫情至关重要.
- 这项研究评估了传统培养方法与基于风险的沙门氏菌检测方法的成本效益.
研究的目的:
- 将传统培养方法的成本效益与在水产品中检测沙门氏菌的基于风险的策略进行比较.
- 评估聚合酶链反应 (PCR) 与培养方法一起用于病原体识别的性能.
- 确定增强食品安全和减少与食品传播疾病相关的经济负担的最佳方法.
主要方法:
- 用一个随机场景树模型来模拟检测场景.
- 分析了2018-2020年原生水产品采样检查数据.
- 进行比较的方法包括传统培养,仅PCR和基于风险的策略,结合PCR和基于风险水平的培养.
主要成果:
- 仅培养检测成本为125,423.20元人民币,确定了9个阳性沙门氏菌样本.
- 基于风险的策略 (PCR + 培养) 耗资128,775.83元人民币,检测了10个阳性样本,每个额外的阳性样本的额外成本为3391.74元人民币.
- 仅PCR检测的成本为62,960.03元人民币.
结论:
- 基于风险的策略和仅PCR的策略在检测沙门氏菌方面显著优于传统培养方法.
- 基于风险的检测提高了成本效益,提高了食品安全,并减少了食物传播疾病的经济影响.
- 实施先进的检测策略对于公共卫生和食品工业至关重要.
相关概念视频
Healthcare Associated Infections II: Preventive Measures
Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
Sources of Food Contamination
Contamination of food by microbial agents and natural toxins poses significant risks to public health. These hazards can be introduced at various points across the food supply chain, ranging from environmental sources to processing and storage stages. Understanding these contamination pathways is critical for developing strategies to ensure food safety.Seafood is particularly vulnerable to contamination through both environmental exposure and microbial colonization. Toxins from harmful algal...
Methods of Controlling Food Spoilage
Food spoilage is caused by microbial growth or by chemical and physical changes, all of which affect the taste, texture, and safety of food.Temperature-Based PreservationRefrigeration at 0–4 °C slows microbial growth and enzyme activity, making it ideal for short-term storage. However, certain spoilage organisms—such as psychrotrophs like Listeria monocytogenes—can still proliferate at these temperatures. Freezing below -18 °C further slows biological processes by forming ice crystals, which...
Hazard Analysis and Critical Control Points (HACCP)
Hazard Analysis and Critical Control Points (HACCP) is a science-based, preventive system used globally to ensure food safety by identifying, evaluating, and controlling biological, chemical, and physical hazards throughout food production. Originally developed by NASA and the Pillsbury Company for astronaut food, HACCP is now a core component of the Codex Alimentarius.HACCP operates on prerequisite programs—such as Good Manufacturing Practices (GMPs), sanitation procedures, and supplier...
Reservoir of Infection
Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...
Investigation of Disease Outbreaks
Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...


