HIV’s Most Promising Breakthrough Has Taken a Hit
Updated at 3:38 p.m. ET on May 31, 2025
Solving HIV vaccination—a puzzle that scientists have been tackling for decades without success—could be like cracking the code to a safe. The key, they now think, may be delivering a series of different shots in a specific sequence, iteratively training the body to produce a strong, broad immune response that will endure against the fast-mutating virus, ideally for a lifetime.



























