In addition to the other responses, plane cabins have very low humidity, which c... | Hacker News

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		sjostrom7 on Jan 12, 2022 \| parent \| context \| favorite \| on: Switching to an N95 mask gives a 75x boost in Covi... In addition to the other responses, plane cabins have very low humidity, which can take out your mucosal protections from getting a cold. It's really common to at least have a scratchy throat after flying just from dryness, and often times catch a cold afterward.

GordonS on Jan 12, 2022 [–]

Yes, I think this is probably what does it - my nose and throat always feel really dry after a long flight, actually I almost feel dehydrated.

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