Every year, food poisoning due to norovirus occurs frequently, mainly in winter. Norovirus spreads from food to person and from person to food, and can lead to mass food poisoning. To prevent food poisoning due to norovirus, let's perform "heating, hand washing, disinfection" well.

1.What is norovirus?

• It is a small spherical virus that multiplies only in the body.
• It is highly infectious and can infect a small amount of virus of about 10 to 100 viruses.
• It develops 1 to 3 days after infection.
• It can be killed by heating at 85 ° C for 1 minute or more.

2.Symptoms and route of transmission

• The main symptoms are vomiting and diarrhea, and other symptoms vary from person to person, such as mild fever and abdominal pain.
  Normally, it recovers in about a few days, but the virus may be excreted for about a week after recovery.
• Most of the transmission route is oral infection, and droplet infection is caused by droplet infection when food contaminated with the virus is eaten raw or without sufficient cooking, or in places where there are many opportunities for people to contact each other, such as at home or living facilities. May be.

3.Preventive measures

• The basis of prevention is hand washing.
  Wash your hands thoroughly with soap, such as when returning home from home or cooking (especially after touching raw meat and seafood), before meals.
• Choose fresh ingredients (especially seafood such as bivalve) and cook well before eating.
  ※The temperature in the center is 85 ° C and heated for 1 minute or more is a guide.

[Date of publication: 2018.12.10]

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