An Iowa State University professor resigned after admitting he falsely claimed rabbit blood could be turned into a vaccine for the AIDS virus.

Dr. Dong-Pyou Han spiked a clinical test sample with healthy human blood to make it appear that the rabbit serum produced disease-fighting antibodies, officials said.

The bogus findings helped Han’s team obtain $19 million in research grants from the National Institutes of Health, said James Bradac, who oversees the institutes’ AIDS research.

Read more at the New York Post