<qa>  What is the name of the infection that has been treated with intravenous antibiotics?- Have had a serious infection eg, sepsis, hepatitis, abscesses, pneumonia, or pyelonephritis, have been hospitalized for an infection, or have been treated with intravenous IV antibiotics for an infection within 8 weeks prior to randomization. Less serious infections eg, acute upper respiratory tract infection, or simple urinary tract infection need not be considered exclusions at the discretion of the investigator. 