This is specially sad here because that ignorance is these children's biggest danger. If people were aware of a few simple facts they would be so much safer. And they deserve to be.
Thankfully there are parents, doctors like Nadeau and organizations (FARE is one of the most active, its youtube channel here) fighting hard to raise awareness and make big advances. Pls get informed, chances are that sooner or later you'll interact with these parents and their children (after all it now affects 1 in 13 children, in different degrees from mild to severe). Pls take them seriously, and please bear in mind that unfortunately -and contrary to general judgement-, when talking precautions they (we) are not exaggerating.
While the NYTM piece mainly talks about a new trial, it still provides a very good insight into the world of children with severe food allergies.
Read the whole article, The allergy buster, here.
Regarding how serious it is, you can read this.
This other article, "What parents of kids with food allergies want you to know", is also very informative. And for parents of children with allergies, this will ring a bell. Ugg.
If putting one more face to it helps, this is my (of course) music loving son years ago. At one and a half yrs old it had already been a year since he had already suffered his first anaphilactic shock.