There's still no HIV vaccine. The science behind coronavirus shots may help. - The Philadelphia Tribune

Kathryn Stephenson was crushed last summer when she learned that an experimental HIV vaccine she had worked on for years failed to protect young women in sub-Saharan Africa from infection.

Kathryn Stephenson was crushed last summer when she learned that an experimental HIV vaccine she had worked on for years failed to protect young women in sub-Saharan Africa from infection. "I'm not … [+10388 chars]

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