| Influenza | Recommended for all travelers from November through April |
| Japanese encephalitis | Recommended for long-term (>1 month) travelers to rural areas if visiting between June and September (risk extends from April to October on the Ryuku Islands) |
| Measles, mumps, rubella (MMR) | Two doses recommended for all travelers born after 1956, if not previously given |
| Tetanus-diphtheria | Revaccination recommended every 10 years |
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