July 31st marks global DADA2 Awareness Day, dedicated to raising visibility for Deficiency of Adenosine Deaminase 2, a rare and severe genetic disease causing childhood strokes, systemic inflammation, and immunodeficiency. Lighting Philadelphia's landmarks in our official colors will honor impacted patients and families while driving vital public awareness toward early diagnosis and life-saving medical research. We respectfully request your participation to illuminate hope for the rare disease community on this important day.