関連する実験動画
Updated: Jul 21, 2026

08:38
Oral Transmission of Listeria monocytogenes in Mice via Ingestion of Contaminated Food
Published on: May 6, 2013
パステル化された牛乳で伝染するYersinia enterocoliticaによって引き起こされる感染症の多州発生です
JAMA
|January 27, 1984
まとめ
1982年に発生した疫病は,パステル化された牛乳とYersinia enterocolitica感染症を関連付けました. これにより,牛乳が強調されます.
科学分野:
- 微生物学 微生物学とは
- エピデミオロジー エピデミオロジー
- 食品の安全性 食品の安全性について
背景:
- 1982年,Yersinia enterocolitica感染症の州間感染が顕著に発生しました.
- 感染症は主に熱を伴う腸炎,腹痛,下痢の形で発症した.
研究 の 目的:
- Yersinia enterocoliticaの発生源と媒体を調査する.
- パステル化された牛乳の消費と病気との関連を特定するために.
主な方法:
- 病気と牛乳の消費を関連付けるための3つのケース・コントロール研究を実施しました.
- 汚染を特定するために,植物検査とミルクカルチャーを実施しました.
- 牛乳消費に関連する病気の流行率を評価するために,世帯調査を利用した.
主要な成果:
- プラントAのパステル化された牛乳は,統計的にYersinia enterocolitica感染症と関連していました.
- プラントAの牛乳を摂取した人の8.3%がyersiniosisのような病気を報告した.
- 植物と牛乳の調査にもかかわらず,汚染の源やメカニズムは特定されなかった.
結論:
- パステル化された牛乳は,毒性の高いYersinia enterocoliticaを媒介するものであり,特に冷蔵庫の温度で成長する能力を有している.
- 滅多に発生しないものの,パステル化された牛乳に関連したアウトブレイクは,食品の安全性に関する懸念を強調しています.
- 偶発的なyersiniosisの症例における牛乳の役割は不明のままです.
関連する概念動画
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...
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...
Plague
Plague is a highly virulent zoonotic disease caused by Yersinia pestis, a Gram-negative, facultatively anaerobic coccobacillus. This pathogen primarily circulates among rodent populations and is transmitted to humans through the bite of infected fleas. Additional transmission routes include direct contact with infected animal tissue or inhalation of respiratory droplets from individuals with pneumonic plague. These multiple transmission pathways highlight the bacterium’s potential for rapid...
Bacterial Gastroenteritis
Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...
Cholera
Cholera is an acute gastrointestinal disease caused by the Gram-negative bacterium Vibrio cholerae. It is transmitted primarily via the fecal-oral route through the ingestion of contaminated water or food.Vibrio cholerae is a motile, Gram-negative bacterium of the family Vibrionaceae, primarily associated with waterborne outbreaks in areas with inadequate sanitation. Although over 200 serogroups of V. cholerae exist, only O1 and O139 are responsible for epidemic cholera. The O1 serogroup,...

