Four-year-old Thomas Onorato is a young zoologist at heart. Often seen with binoculars in hand, the adventurous preschooler is particularly drawn to bird watching. He enjoys talking about his feathery friends and studying their beauty and habitat.

Thomas’ love of animals runs so deep that he says he wants to be a veterinarian when he grows up. “Thomas is obsessed with animals. It’s his love,” says his mother, Melissa.

Beyond his quest to care for animals, Thomas has two other important missions — to manage the rare condition, microvillus inclusion disease (MVID) and receive the lifesaving parenteral nutrition (PN) support he needs to grow and thrive. …