What is the proper dosage for the Japanese encephalitis vaccine?

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The proper dosage of the Japanese encephalitis (JE) vaccine will be determined by your doctor. For people ages 17 and older, the typical total dose is 1 milliliter (mL), given as two injections (shots) of 0.5 mL each. The second shot is given 28 days after the first and at least seven days before you travel to an area where the JE virus is present. After one year, a booster shot of 1.0 mL may be needed. Children under age 17 should not receive the JE vaccine unless their doctor says it should be given to them.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.