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Woman with severe allergy ‘left with no choice’ but to buy every packet of peanuts on flight
(www.independent.co.uk)
this post was submitted on 08 Aug 2023
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are planes cleansed that thoroughly between flights? I assume one would have to worry about who was eating what in the area from a previous flight with an allergy that severe
No, they are not.
The majority of airplanes are equipped with HEPA filters. As in, removing 99,97% of particles over 0.3 micron in size. The unfiltered air is fed in from the outside. It's pretty clean and not a consideration for allergens like peanut particles.
Source: https://www.nationalgeographic.com/travel/article/how-clean-is-the-air-on-your-airplane-coronavirus-cvd
HEPA filters remove 99.97% of particles that are 0.3 micron in size. (That is the size of particles they're tested with, as it's the most difficult to filter.) They remove over 99.97% of particles larger or smaller than 0.3 microns.
They are vacuumed and trash removed but they aren't wiped down from top to bottom
Living with allergies such as a severe peanut allergy is all about mitigating risk
In most open areas you can be cautious about what you touch and who you stand near to. In enclosed spaces such as airplanes, the risk is substantial and mitigating it requires as close to an absence of peanuts as possible
And peanuts are special in how easily they trigger severe reactions. Of all my son's allergies, peanuts are the one that scare us