Scientific American Features Inside Medicine Hep B Vaccine Report

CDC Will Continue a Controversial Vaccine Study in Africa
This clinical trial in Guinea-Bissau would withhold vaccination from some babies, sparking ethical concerns

By Dan Vergano for Scientific American — January 15, 2026

“HHS officials would not confirm that a study protocol leaked on Thursday by Inside Medicine represented the study design. That protocol drew comparisons to the infamous Tuskegee study of syphilis because it failed to include testing for hepatitis B among most mothers in the trial and would thus effectively ensure that the life-shortening disease would be transmitted to unvaccinated babies.”


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