Rash allergy to pollen can be transferred to third parties?

Allergies most popular product development: question SJY : Can pollen allergies be passed on to others Well, I do not know if I am still, but every spring, I am my allergies. Halfway through spring, I heard in my medicine and I was pretty good. But the same day, my sister, who was not allergic to anything, suddenly had an allergic reaction to pollen. I asked my mother and my health teacher if she knew if it was possible but they said they never heard such a thing happens, and I think it

Itching Urticarial Rash