He received more than 4 ½ years in prison for making false statements in research reports.
Dong-Pyou Han, 58, also must pay $7.2 million to a federal government agency that funded the research. He entered a plea agreement in February admitting guilt to two counts of making false statements.
Government prosecutors said Han's misconduct dates to 2008 when he worked at Case Western Reserve University in Cleveland under professor Michael Cho, who was leading a team testing an experimental HIV vaccine on rabbits.
