You don't have to be allergic if enough of them sting you. The woman in the story was not allergic, yet 15 stings was enough to do her in.
“You don’t have to be allergic if enough of them sting you.”
Yikes, I did not know that.
May this poor woman rest in peace. Terrible for her children, they are orphans now. What a way to lose your remaining parent. Just an awful story.
Lengthier discussion: Be prepared for wasp stings, doctors caution after mayor's death