Immunodeficiency 79, also known as cd4 deficiency, is related to purpura and hemolytic anemia. An important gene associated with Immunodeficiency 79 is CD4 (CD4 Molecule). The drugs Trimethoprim, Sulfamethoxazole Drug Combination and Anti-Retroviral Agents have been mentioned in the context of this disorder. Affiliated tissues include t cells and monocytes, and related phenotypes are recurrent upper respiratory tract infections and recurrent otitis media