OI Infusion partners with immunologists and pulmonologists to provide comprehensive infusion therapy services in their offices, ensuring the best standard of care for patients. Infusion services are available to patients with Primary Immunodeficiency (PI), Idiopathic Thrombocytopenic Purpura (ITP), Chronic Inflammatory Demyelinating Polyneuropathy (CIDP), Plaque Psoriasis (Pso) and other autoimmune diseases. Immunology and pulmonology are intricately linked disciplines, evident in respiratory symptoms associated with immune-mediated conditions.