inoculate - to treat a person or animal with a vaccine to produce immunity against a disease Articles found: Singapore to remove all tests for vaccinated visitors soon (20/04/2022) Herd immunity against virus at 50% (20/04/2022) Post-Songkran Covid spike expected (11/04/2022) 3,537 new Covid cases, 41 more deaths (17/12/2021) 'Don't panic over Omicron' (07/12/2021)