You are here Home Resources Handbook tables Handbook tables Table. Protective neutralising antibody levels for JEspect in vaccinated people in Europe Listen Print Share Twitter Facebook Email Region 6 months after vaccination 12 months after vaccination 24 months after vaccination Central Europe39,40 95% 83% 68%-90%* Western and northern Europe18 83% 58% 48% Page history Last updated 10 June 2025 Last reviewed 10 June 2025 Related diseases Japanese encephalitis Is there anything wrong with this page?