Listeria food poisoning(リステリア食中毒)

Causative organism

  • Listeria · monocytogenes



  •  Latency period 1 day to several weeks
  • Symptoms Fever, headache, vomiting
  • Remarks It infects when immune function declines



Source of pollution

  • It is an environmental contaminant that inhabits in the soil
  • Processed meat products
  • Fish and shellfish processed goods
  • Dairy products
  • Stored for a long time in a refrigerator and to be eaten without heating




  • Die by heating
  • It grows even at low temperatures below 4 ° C or even at salt concentration of 12%
  • Mortality is high when it becomes severe
  • A healthy adult does not develop if it does not consume many Listeria
  • Pregnant women, elderly people and those with impaired immune function may develop




  • Strictly adhere to expiration date and storage method
  • Eat after eating immediately after opening
  • Raw vegetables wash well
  • Heat and eat




  • Die due to thermal heating
  • It grows even at low temperatures of 4 ° C. or less or even at 12% salt concentration
  • Healthy adults are less likely to develop
  • It is likely to develop if the immune system is declining
  • We will keep the expiration date and preservation method and eat food after opening easily promptly
  • Heat thoroughly before eating