[Press release] The Wistar Institute: Scientists demonstrate first-ever single-shot HIV vaccine neutralization success

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The Wistar Institute press release

PHILADELPHIA, Feb. 3, 2026 — Scientists at The Wistar Institute have developed an HIV vaccine candidate that achieves something never before observed in the field: inducing neutralizing antibodies against HIV after a single immunization in nonhuman primates. The innovative approach, published in Nature Immunology, could significantly shorten and simplify HIV vaccination protocols, making them more accessible worldwide.

The research centers on an engineered HIV envelope protein, WIN332, that challenges scientific assumptions about how to design an effective HIV vaccine.

Read the full press release here.

 

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