Furthermore, our study did not analyze individual types/areas of infection other than pneumonia; Although it is a well-known fact that the patterns of infection vary with class of drugs, such as respiratory infections with the use of anti-CD38 therapy, herpes zoster/herpes simplex infections with PIs, and Pneumocystis jirovecii with steroids [1]. The gene discussed is CD38; the disease is herpes simplex infectious disease.