You searched for pegasys (ireland) Did you mean? Pegasys 1 results PEGINTERFERON ALFA-2ABody system: Antineoplastic And Immunomodulating Agents Injection peginterferon alfa-2a 180 microgram/0.5 mL injection, 4 x 0.5 mL syringes peginterferon alfa-2a 135 microgram/0.5 mL injection, 4 x 0.5 mL syringes