![World Health Organization (WHO) Western Pacific on Twitter: "If someone in your household is sick with #COVID19, if possible prepare a separate room and keep distance from others. Keep rooms well ventilated. World Health Organization (WHO) Western Pacific on Twitter: "If someone in your household is sick with #COVID19, if possible prepare a separate room and keep distance from others. Keep rooms well ventilated.](https://pbs.twimg.com/media/ExSxNocVEAA_9JW.jpg)
World Health Organization (WHO) Western Pacific on Twitter: "If someone in your household is sick with #COVID19, if possible prepare a separate room and keep distance from others. Keep rooms well ventilated.
![Use Chemicals In A Well Ventilated Area Warning Sign - 14" wide x 10" tall: Amazon.com: Industrial & Scientific Use Chemicals In A Well Ventilated Area Warning Sign - 14" wide x 10" tall: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61CVDxMFkBL.jpg)
Use Chemicals In A Well Ventilated Area Warning Sign - 14" wide x 10" tall: Amazon.com: Industrial & Scientific
UK Prime Minister - Keep rooms well-ventilated. Open doors and windows for fifteen minutes twice a day to freshen the air and help reduce the spread. | Facebook
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Amazon.com: Window Screen Repair Kit Tape: 4inx10FT Screen Patch Repair Kit, Well Ventilated, Strong Adhesive Fiberglass Covering Mesh Tape for Window Door Tears Holes (Black) : Tools & Home Improvement
![Manchester City Council on Twitter: "Did you know keeping rooms well ventilated by letting fresh air in can cut the risk of catching #coronavirus by 80% ⁉️ You can #KeepDoingYourBit for Manchester Manchester City Council on Twitter: "Did you know keeping rooms well ventilated by letting fresh air in can cut the risk of catching #coronavirus by 80% ⁉️ You can #KeepDoingYourBit for Manchester](https://pbs.twimg.com/media/Exu4uXcXIAMbkvp.jpg)
Manchester City Council on Twitter: "Did you know keeping rooms well ventilated by letting fresh air in can cut the risk of catching #coronavirus by 80% ⁉️ You can #KeepDoingYourBit for Manchester
![Persistently well-ventilated intermediate-depth ocean through the last deglaciation | Nature Geoscience Persistently well-ventilated intermediate-depth ocean through the last deglaciation | Nature Geoscience](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41561-020-0638-6/MediaObjects/41561_2020_638_Fig1_HTML.png)