You are here Home Resources Handbook tables Handbook tables Table. Recommended doses of Japanese encephalitis vaccines Listen Print Share Twitter Facebook Email Age at vaccination Vaccine Number of doses Booster Notes ≥2 months to <18 years JEspect 2 doses (4 weeks apart) 1–2 years after primary vaccination if ongoing risk of JE virus exposure Each dose of JEspect in infants and children aged ≥2 months to <3 years is 0.25 mL. ≥9 months to <18 years Imojev 1 dose 1–2 years after primary dose if ongoing risk of JE virus exposure ≥18 years Imojev 1 dose Not required JEspect 2 doses (4 weeks apart) 1–2 years after primary vaccination if ongoing risk of JE virus exposure Adults can receive an accelerated primary course of JEspect (2 × 0.5 mL doses, 7 days apart) if they are at imminent risk of exposure to JE virus. Related diseases Japanese encephalitis Page history Last updated 19 January 2026 Last reviewed 19 January 2026 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
