Ventilation, Humidification, and Cleaning

Ventilation is to change the air in the room by opening the window or operating the ventilation device. How often you should ventilate depends on the size of the room, the number of people in the room, and the type of activity you are doing. Even in the same room, ventilation once every four hours may be sufficient when you are alone, but ventilation may be necessary every hour when there are several people. Use a ventilation simulator to check how much ventilation you need at work or at home.
Humidification is to increase the humidity in the room by boiling water or using a humidifier. Viruses are more active when humidity is low. A temperature of 20°C or higher and a humidity of 50% or higher are recommended as guidelines for suppressing virus activity. If you use a humidifier, be careful of mold growth.
Frequent cleaning is also effective against viruses. Clean areas that people often touch, such as doorknobs and handrails.
Maintaining a clean living space is effective not only for preventing viral infections but also for continuing a comfortable life. Make good habits of ventilation, humidification, and cleaning.

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