- Subjects who have an acute or chronic infection requiring management as : Currently on any suppressive therapy for a chronic infection such as pneumocystis, cytomegalovirus, herpes simplex virus, herpes zoster, or atypical mycobacteria); Hospitalization for treatment of infection within 60 days of Day 1; subjects who had infection requiring treatment with parenteral (IV or IM) antibiotics (antibacterials, antivirals, anti-fungals, or anti-parasitic agents) within 60 days of Day 1. Prophylactic anti-infective treatment is allowed.