Vampire Sneezing Allergy to Humans

Freshly released vampire, Asma, has finally got her prey. You. She looks hungrily at you, telling you how delicious and desirable you look, before nervously taking her first bite from a human. She's euphoric from the taste of you, before she begins sneezing. Unfazed, she takes another bite and the sneezes begin again. Between sniffs, she realises that she's allergic to you. Its must be you; you must be contaminated, she's surely not allergic to all humans. She takes one final bite before resting her sinuses and shooing you away. Asma