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Beware of norovirus
Last Updated January 28, 2019
What is norovirus?
It is an infectious disease that spreads through the mouth through fingers and food. It causes vomiting, diarrhea, abdominal pain, and fever. Please note that children and the elderly may become more severe.
How can I prevent it?
The most important thing is to do is "hand washing". Wash your hands frequently after going out, before eating, or after a toilet.
Procedure of hand washing with running water
●Checkpoints before hand washing
- Do you cut your nails short?
- Did you remove the ring or watch?
●Places where dirt is easily left
・Between fingertips and nails
・Between fingers
・Around the thumb
・Wrist
・Wrinkles of hands
Contents | Illustration |
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1.Apply soap and rub the palms well. | |
2.Scrub as if you stretch the back of your hand. | |
3.Carefully rub the fingertips and nails. | |
4.Wash between your fingers. | |
5.Wash your thumb around with one palm. | |
6.Don't forget to wash your wrist as well. | |
7. Rinse thoroughly running water, paper towels and |
Treatment method for diarrhea and vomiting
●Before processing
Vinyl gloves (if not, plastic bags) and
Let's wear a mask and handle it.
●Treatment method for contaminated areas
- Wear vinyl gloves, etc. (Do not directly touch filth).
- Cover the contaminated area with newspaper or paper towel soaked with 0.1% chlorine bleach so as not to splatter around, and then wipe it off.
- Wipe the contaminated floor again using 0.1% chlorine bleach and disinfect.
- Paper towels used for processing are double placed in a plastic bag for disposal.
●Disinfection of clothes and tableware
After the following 1 or 2, let's wash separately from other laundry.
- Soak in 0.1% chlorine bleach for 30 minutes or more.
- Soak in boiling water of 85 °C or more for at least 1 minute.
*When discarding, put it in a plastic bag and dispose of it.
●How to make a disinfectant
It is made using commercially available chlorine bleach (5-6% sodium hypochlorite) and plastic bottle caps. ※1 cap = 5ml
For waste disposal: Contaminated areas such as vomit and diapers (concentration 0.1%)
2L water + 40ml of bleaching (8 caps)
Other disinfectants: Low-contamination areas such as toilet seats, cooking utensils, toys, doorknobs (concentration: 0.02%)
2L water + 10ml of bleaching agent (2 cups)
- Please be careful not to drink it accidentally.
- Let's stop making it.
- If it gets on your skin, wash it off with water immediately.
- Metals may rust, so leave it for a while after disinfection, then drain with water or wipe it off.
What should I do if a group develops in a place where I live in a group, such as a nursery school or nursing care facility?
First of all, treat vomit, etc. After that, please contact the following address.
For inquiries to this page
Naka Ward Health and Welfare Center Health and Welfare Division
Phone: 045-224-8332
Phone: 045-224-8332
Fax: 045-224-8157
Email address: na-fukuho@city.yokohama.jp
Page ID: 486-058-498