At 13, I wonder if the child did not understand the seriousness of his actions. Sounds like he has issues, though, if he thought it was funny to cause physical harm. Maybe he thought the other student would just get hives or something. Maybe he didn't know that allergies can be life threatening.
My niece has a severe peanut allergy. At her school she ate a cookie that was just NEAR a peanut butter cookie, and it landed her in the hospital! When she was a toddler, she put a candy bar that had been processed in a plant that has nuts in it to her lip and was violently ill; she didn't even eat the candy, it just touched her lip. The severity of her allergy is fairly rare, though, according to her doctor.
My niece has a severe peanut allergy. At her school she ate a cookie that was just NEAR a peanut butter cookie, and it landed her in the hospital! When she was a toddler, she put a candy bar that had been processed in a plant that has nuts in it to her lip and was violently ill; she didn't even eat the candy, it just touched her lip. The severity of her allergy is fairly rare, though, according to her doctor.