RFK Jr. Plan to Test a Vaccine in West African Babies Is Blocked The New York TimesOpinion | Trump's HHS is backing a study in Africa that is drawing comparisons to the Tuskegee experiment MS NOWA vaccine trial is called 'unethical' and a 'unique' opportunity. Is it on or off? NPRControversial US study on hepatitis B vaccines in Africa ‘cancelled' The GuardianUS-funded Guinea-Bissau v