^a)Include rapid urease test, urea breath test, or stool H. pylori antigen assay. ^b)In selected cases with patients ≥60 years old, no appropriate response to therapy, or plan for splenectomy.

Abbreviations: HBV, hepatitis B virus; HCV, hepatitis C virus; HIV, human immunodeficiency virus; H. pylori, Helicobacter pylori; Rh, rhesus.