Dr. Rod Quilitz, infectious diseases pharmacotherapist at the Moffitt Cancer Center and Research Institute, presents his talk regarding the infectious diseases syndromes likely to be encountered when managing ID complications in an immunocompromised population. Dr. Quilitz begins by discussing risk factors for infection. He then goes on to discuss neutropenic fever management. The contrast between low grade and high grade neutropenia is also differentiated. Next, Dr. Quilitz discusses strategies for prophylaxis of patients who have prolonged neutropenia, including the use of gram positive antimicrobial agents and antifungals. Other subjects covered include the spectrum of CART toxicities, immune reconstitution, prophylaxis for Pneumocystis, CMV disease/prophylaxis, and other viral infections in the immunocompromised population.