 Henry Heimlich had directed a three-year study in China, ending in 1996, that evaluated the use of malaria infection in fighting AIDS.In 2008 ABC News, in discussing Wulsin, noted that this theory had been debunked.In 2004 Wulsin was hired as an epidemiologist by the Heimlich Institute to conduct a four-month literature review on "malariotherapy", the AIDS treatment based on infecting HIV+ patients with malaria.