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Immunogenicity of a modified intradermal<br />

pre-exposure rabies vaccination schedule<br />

• Intradermal vaccination:<br />

– cheaper but<br />

– recommended only if there is sufficient time to perform<br />

serology 2 to 3 weeks post vaccination and confirm<br />

immunity prior to travel<br />

• Modified intradermal schedule TRID 2:<br />

– can be completed in a shorted time compared to standard<br />

intradermal schedule:<br />

– 2 ID of 0.1 ml of human diploid cell rabies vaccine<br />

administered on day 0 and 7<br />

• 420 travelers<br />

– seroconversion rate 94.3% at 21 days post-vaccination<br />

– Antibody levels were significantly lower in the older age<br />

groups (p=0.003)<br />

• This schedule is highly effective, with similar<br />

immunogenicity to the standard intradermal schedule

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