You are here Home Glossary of technical terms Glossary of technical terms immunoglobulin Listen Print Share Twitter Facebook Email A protein extracted from blood, sometimes called an antibody, that fights infection. An injection of immunoglobulins provides temporary immunity against certain infections (also known as passive immunisation). Page history Last updated 11 June 2018 Last reviewed 11 June 2018 Is there anything wrong with this page? Help us improve the Australian Immunisation Handbook What you were doing? (required) What went wrong? (required) Leave this field blank