As part of a six-man experiment at the Walter Reed Army Institute of Research in 1987, he had himself injected four times with a genetically engineered malaria vaccine.

FORBES: Booster Shot

Our initial partner in the mid-1980s was the U.S. Walter Reed Army Institute of Research, which needed a malaria vaccine to protect troops who might be deployed to malaria-endemic regions.

WSJ: Defeat Malaria? Yes We Can.