- Acute or chronic infection: has required management of acute or chronic infections (excludes prophylaxis of infections), as follows: a) Currently receiving any suppressive therapy for a chronic infection (such as tuberculosis, pneumocystis, cytomegalovirus, herpes simplex virus, herpes zoster and atypical mycobacteria), which, in the opinion of the investigator, could put the subject at undue risk; b) Hospitalized for treatment of infection within 30 days before Day 0, which, in the opinion of the investigator, could put the subject at undue risk ; c) Treated for an infection with parenteral (intravenous or intramuscular)] antibiotics (antibacterials, antivirals, anti-fungals, or anti-parasitic agents) within 30 days before Day 0, which, in the opinion of the investigator, could put the subject at undue risk