"A rapid schedule of three injections given at 0, 7 and 21 days may be an option when travel is anticipated within one month after initiating the vaccination course and where insufficient time is available for the standard schedule. When the rapid schedule is applied, a fourth dose is recommended 12 months after the first dose."
http://www.twinrix.ca/en/about/index.aspx#schedule
This is what I did.
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Peachy cam