When traveling to Brunei Darussalam, it's important to be aware of local health conditions. Based on WHO data from 2025, the country's Medova regional health index is 85.06/100 (higher means better measured conditions; this is a regional indicator, not a personal risk assessment), in the "優秀" band. Key vaccinations to consider include チクングニアワクチン, インフルエンザ, 肺炎球菌ワクチン（PCV13）, B型肝炎ワクチン, 日本脳炎, HPV（ヒトパピローマウイルス）ワクチン, はしか、流行性耳下腺炎、風疹, ポリオ, A型肝炎ワクチン, デング熱, 黄熱ワクチン, 狂犬病ワクチン, コビッド19, 水痘, 三種混合ワクチン（Tdap：破傷風・ジフテリア・百日咳）. Consider discussing your trip with a travel medicine professional before departure.
