Selina made herself some tea next to Kurumi. She heard the girl speak about some ailments that her grandfather always spoke about because he was a Muggle on his mother's side. But she was still fuzzy on it's implications.

She went to work in her head looking for the answer to the Professor's question, "Well, ma'am," she said softly, "there are diseases such as Tay-Sachs." Because Selina was Jewish she was very aware of this ailment. It flourished among people of her religion. "And also Swine-floo. It was an epidemic when my grandfather's older brother was just born.