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About enterohemorrhagic Escherichia coli infectious disease (O-157 epidemic)

 We say thing which enterohemorrhagic Escherichia coli produces toxin among Escherichia coli, and causes enteritis with bleeding and uremic syndrome (HUS) that is hemolytic. Other than "O-157 epidemic," "O26" or "O111" are known.

  Infected person about 4,000 a year is reported in enterohemorrhagic Escherichia coli infectious disease in the whole country.

 The number of the reports of enterohemorrhagic Escherichia coli infectious disease in Yokohama-shi was 87 people in 61 people, 2012 in 2011. As you occur frequently for from June to October when temperature is high in average year, please be careful. (please confirm the latest information in Yokohama City Inst. of Health homepage infectious disease development situation (all quantity information, three kinds of infectious diseases).)

  • When we carry out hand-washing thoroughly for the prevention of enterohemorrhagic Escherichia coli infectious disease, and symptom that infection to enterohemorrhagic Escherichia coli including blood in stool is doubted appears, let's consult medical institution early. Specifically, Ministry of Health, Labour and Welfare homepageEnterohemorrhagic Escherichia coli infectious disease Q&APlease see ".

Main symptom

 In many cases, we put latency period of about 3-5 days, and symptoms such as frequent water-like flights appear. With more intense abdominal pain, it may become remarkable blood in stool. (there is not symptom at all and may terminate only in light abdominal pain and diarrhea.)
 Uremic syndrome (HUS) that is hemolytic and serious complications including brain fever may develop.
 Please receive medical examination, instructions of doctor early without taking binding medicine by one's judgment at the time of diarrhea.

Infection course

  • We take in polluted food and drink to bacteria (there are many examples suspected that it is caused by raw liver, uncooked meat such as yukhoe and meat of heating insufficiency)
  • We eat polluted thing in feces of patient (secondary infection)
  • We are infected toward contact with infected animal (there are many rumination animals such as beef)
  • We are infected from well water or water of pool polluted by bacteria

Characteristic

  • Infant and elderly person are easy to appear and are easy to be aggravated
  • Latency period is long (for 2-14 days on average 3-5 days)
  • We are poor at heat (we perish in heating of 75 degrees Celsius one minute)

Precaution

  • After having touched animal before meal after restroom, at the time of return, we wash hand with soap during before cooking and cooking well
  • We wash food well and use fresh materials
  • Food heats up well (child and elderly person require attention in particular)
  • With care to meat in particular, we heat up to center more than 75 degrees Celsius one minute
    ※Heating enough for at the age of yakiniku or barbecue!
    Appeal (Director May, 2011 Yokohama-shi health) to citizen's all of you
  • We wash kitchen utensil with detergent at every use well (we sterilize in bleaching agent for boiling water and kitchen)
  • We distribute cutting board and chopsticks other than it that we treat uncooked meat

The handling in Infectious Disease Law

 By "law (Infectious Disease Law) about medical care for the patients with prevention of infectious disease and infectious disease," we are placed as three kinds of infectious diseases and have a duty to report doctor who examined patient (including asymptomatic bacteria carrier) to nearest Health and Welfare Center length (health director). Health and Welfare Center (public health center) in response to report investigates patient and patient and contact which there was to check outbreak situation and cause, having expansion or not of infection.
 Employment to duties that patient handles food and drink may be limited.

Document for enlightenment

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