Gr 5–7—Thirteen-year-old Sikander Aziz’s parents are the patients zero of a plague attacking New York City. Before they were isolated in a hospital ward, Sik’s parents, who are Iraqi refugees, owned a successful deli in Manhattan, which thrived even as the family grieved the recent loss of Sik’s older brother Mo.
https://www.amazon.com/City-Plague-Rick-Riordan-Presents/dp/1368051502

