Rafi Ahmed
Professor of Microbiology and Immunology and Director of the Emory Vaccine Center; noted for foundational work on T-cell memory, long-lived plasma cells, and T-cell exhaustion leading to insights translated into PD-1 checkpoint biology.
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Jan 27, 2026 • 1h 17min
Ep. 123: “Immunological Memory” Featuring Dr. Rafi Ahmed
Dr. Rafi Ahmed, Emory vaccine center director known for foundational work on T-cell memory and PD-1 biology. He discusses how memory T and B cells persist, long-lived plasma cell niches, T-cell exhaustion in chronic infection, and how PD-1 blockade can reinvigorate immunity. Short stories about classic experiments and why vaccines protect against severe disease round out the conversation.
