Sarah Marshall knew from only a few months into her fourth daughter Phoebe's life that something was definitely wrong. By the time Phoebe was six, Sarah began to fear for her daughter's life. She underwent countless tests, dozens of surgeries, and was in and out of the hospital for years. Phoebe’s health was declining and no one could tell their family what was wrong. Desperate for answers and unwilling to give up on her daughter, Sarah contacted the Undiagnosed Diseases Network - a decision that would change their lives forever.

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You can find more information about the Undiagnosed Diseases Network Foundation at https://udnf.org/.

You can learn more about the Model Organisms Screening Centers (MOSC) and Dr. Hugo Bellen’s work at https://flypush.research.bcm.edu/lab/