Proceedings of the National Academy of Sciences · 7 October 2026 · From issue 48
Barry Bloom and the convergence of immunology, infectious disease, and public health
A tribute honors immunologist Barry Bloom, who shifted immune research toward real disease germs.
Sarah M. Fortune, William R. Jacobs et al.
Immunologist Barry Bloom died in early 2026. He helped change how scientists study the immune system, moving focus from simple lab molecules to real disease germs like the one that causes leprosy. He also led a major public health school and trained many scientists who still carry on his work.
This describes a scientist's legacy, not a new experimental result.
A tribute essay, not a new study with data.
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