In this Monday, June 26, 2017 photo, Donna Shanklin-Henderson, right, a teacher with Houston Independent School District's Community Services, looks up information about insects with Zechariah, 10, during a tutoring session at an extended stay hotel, in Houston. Zechariah, who is receiving treatment at a hospital in the Texas Medical Center, has a rare genetic disorder called Cystinosis, that affects the kidneys and other organs. He has been falling behind other students his age because of difficulties associated with his illness. (Jon Shapley/Houston Chronicle via AP)
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