Dengue Hemorrhagic Fever (DHF) is a disease caused by dengue virus infection characterized by continuous high fever for 2-7 days, thrombocytopenia, leukocytopenia and the presence of blue plasma lymphocytes in peripheral blood smears. This study aims to determine the number of platelets, leukocytes and blue plasma lymphocytes in Dengue Infection patients at the PKM, East Jakarta. This rese…