Nothing. That allergy test thingee with a bunch of receptors on your arm that I took in Bavaria returned nothing.
Yeah, I did that test too. I am also allergic to smoke, apparently.. despite having grown up with fireplaces in the house that we used a lot.. and having campfires like every night all summer long...
The doctor told us to get rid of our dogs and cats and rip out the fireplace... needless to say, that didn't happen. I almost never get allergies unless its a combination of several things (like a smoky room filled with cats and dogs). Believe it or not, allergies can go away as you age.