Dr. Ruth Nussenzweig is Professor Emerita of Microbiology and Pathology and was the first Chair of the Department of Medical and Molecular Parasitology at NYU School of Medicine. She talks about her pioneering work in malaria research. She co-discovered the circumsporozite, or CSP protein with her husband, Victor Nussenzweig. This discovery led to the identification of the CSP gene. Both the CSP protein and CSP gene are the basis for malaria vaccine efforts.