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How to Avoid Germs on the Plane

Airplanes are small cramped spaces; everyone is breathing in the same circulated air for hours, which can be worrying. If you want to avoid getting sick from any germs in the air, it is advised to leave the air conditioning vents above you fully open. This way, it is on full blast and can circulate the air around you more efficiently. It might be cold, but it's the best way to prevent germs from hanging around you.

Reddit/IvorDude

Of course, no one wants to get sick while traveling, so keep the air on high, sanitize your hands, and don’t forget your sweaters!