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- About enterohemorrhagic Escherichia coli infection (O157, etc.)
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About enterohemorrhagic Escherichia coli infection (O157, etc.)
Last update date December 19, 2023
Beware of enterohemorrhagic Escherichia coli infection!
Points of prevention
- Wash your hands thoroughly with soap when you return home from home, before or during cooking, before eating, after a toilet, or after touching animals.
- When you eat vegetables raw, wash them well with water. In particular, people with weak resistance, such as children and the elderly, may become more severe when food poisoning occurs, so be careful.
- Let's heat the food well. Pay particular attention to meat and heat it to the center at 75 ° C for 1 minute or more.
- Wash cooking utensils thoroughly with detergent whenever you use them. Also, disinfect it with boiling water or kitchen bleach.
- Cutting boards and cooking chopsticks should be separated from those that handle raw meat and raw fish and others.
In such a case, go to the hospital immediately!
- Frequent watery stools (diarrhea, etc.)
- Severe abdominal pain
- Remarkable bloody stool
They are suspected of enterohemorrhagic Escherichia coli infection.
Do not take diarrheal drugs, but consult your local medical institution as soon as possible.
Reference
- Enterohemorrhagic Escherichia coli Q & A (outside site)(Ministry of Health, Labour and Welfare)
What is enterohemorrhagic Escherichia coli infection (O157, etc.)
Enterohemorrhagic Escherichia coli refers to those of Escherichia coli that produces toxins and causes enteritis and hemolytic uremic syndrome (HUS). In addition to "O157", "O26" and "O111", etc. are typical.
Enterohemorrhagic Escherichia coli infection has been reported annually nationwide.
In Yokohama city, please be careful as it occurs frequently from June to October, when the temperature is high. (For the latest information, please refer to "Infectious Disease Outbreak Status (All Information / Class III Infectious Diseases) (Yokohama City Inst. of Health)")
- Main symptoms
- Main routes of infection
- Characteristics of symptoms
- Preventive measures
- Enlightenment materials
- (Reference) Handling under the Infectious Diseases Control Law
Main symptoms
In many cases, symptoms such as frequent watery stools appear after an incubation period of about 3 to 5 days. If it gets worse, it can be accompanied by severe abdominal pain and can result in significant bloody stools. (Conversely, they may have no symptoms or may end with mild abdominal pain or diarrhea.)
It may also cause serious complications such as hemolytic uremic syndrome (HUS) and encephalopathy.
If you have diarrhea symptoms, do not drink diarrhea at your own discretion, but consult and instructions from a doctor as soon as possible.
Main routes of infection
- Intake of food and drinks contaminated with bacteria.
(Many cases are suspected to be caused by raw meat such as raw liver and yukke, or undercooked meat.) - Accidentally eat contaminated food when wiping off the vomit of the infected person is accidentally eaten. (Secondary infection)
- It comes into contact with infected animals (especially warping animals such as cows).
- Consuming well water or pool water contaminated with bacteria.
Characteristics of symptoms
- People with weak resistance, such as infants and the elderly, are more likely to become severe.
- The incubation period is long. (2 to 14 days.) On average, about 3 to 5 days)
- It is vulnerable to heat and is roughly killed by heating at 75 °C for 1 minute.
Preventive measures
- Wash your hands thoroughly with soap when you return home, before or during cooking, before eating, after a toilet, or after touching an animal.
- Wash food well with water and use fresh food.
- Let's heat the food firmly to the center. In particular, heat meat should be heated at 75 ° C for 1 minute or more.
(Special attention should be paid to children and the elderly.) - Wash cooking utensils thoroughly with detergent each time you use them. Also, disinfect it with boiling water or kitchen bleach.
- Cutting boards and chopsticks for cooking should be separated from those handling raw meat and raw fish.
Enlightenment materials
- Poster "Is that meat is burnt enough?" (PDF:426KB)(Yokohama City Public Health Center)
- Flyer "Beware of the occurrence of enterohemorrhagic Escherichia coli infection! - Necessary measures at nursery schools-" (PDF: 468KB)(Yokohama City Public Health Center)
- Electronic brochure publication page of infectious diseases(Yokohama City Inst. of Health)
(Reference) Handling under the Infectious Diseases Control Law
According to the Act on the Prevention of Infectious Diseases and Medical Care for Patients with Infectious Diseases (Infectious Diseases Law), the doctor who examined infected persons (including asymptomatic carriers) must be notified to the nearest Health and Welfare Center Director (Health Center Director). The Health and Welfare Center (Health Center) that received the notification will examine the infected person and their contacts and investigate the surrounding area in order to check the outbreak situation, cause, and whether or not the spread of the infection.
In addition, infected people may be restricted from working on food and drink.
Contact information
- Health and Welfare Center Health and Welfare Division Health Promotion Section
- Health and Welfare Center Health Sanitation Division Food Sanitation Officer
- City of Yokohama, Medical Care Bureau Health and Safety Division (TEL045-671-2463, FAX045-664-7296)
- City of Yokohama, Medical Care Bureau Food Sanitation Division (TEL045-671-2460, FAX045-641-6074)
Reports and notifications regarding infectious diseases
- Weekdays 8:45 and 17:00 on weekdays ...Health and Welfare Center Health and Welfare Division Health Promotion Section
- Outside of the above hours..................Infectious disease / food poisoning emergency call dial
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For inquiries to this page
Health and Safety Division, Medical Care Bureau Health and Safety Department
Phone: 045-671-2463
Phone: 045-671-2463
Fax: 045-664-7296
Email address: ir-kenkoanzen@city.yokohama.jp
Page ID: 853-261-011