Make a Clean Room
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A “clean room” is a room within your house or apartment where you minimize outside air exchanges.
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Preferably it is a room you and your family/ housemates can reside in comfortably for a few hours.
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Close the door and seal any windows or gaps. Use tape or blankets if necessary.
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Run a HEPA or DIY filter inside the room.
Check the EPA website for more details or guidance EPA’s Create a Clean Room ↑ site.