The Wistar Institute 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, led by Amelia Escolano, Ph.D., assistant professor in