Simon A. Keller, Gail B. Bolan¹∗   AbstractAcute lymphocytic leukemia (ALL) is most common acute leukemias in children. The disease and chemotherapy are facilitate the infectious process of many microorganism. Herpes simplex virus (HSV) type-1 is characterized by its ability to establish and maintain latent infections that can be reactivated and mostly asymptomatic, these infections […]