Sting-Associated Vasculopathy, Infantile-Onset, also known as autoinflammatory-vasculopathy syndrome, is related to sting-associated vasculopathy with onset in infancy and singleton-merten dysplasia, and has symptoms including fever and onychomadesis. An important gene associated with Sting-Associated Vasculopathy, Infantile-Onset is STING1 (Stimulator Of Interferon Response CGAMP Interactor 1). Affiliated tissues include lung and skin, and related phenotypes are failure to thrive and lymphopenia