RFK-backed infant vaccine study in Africa to proceed despite backlash, U.S. says The Washington PostControversial US study on hepatitis B vaccines in Africa is cancelled The GuardianHHS Gave a $1.6 Million Grant to a Controversial Vaccine Study. These Emails Show How That Happened Rolling StoneCDC funding hepatitis vaccine study in African nation evokes Tuskegee study AJC.comConfusion Over 'Cancellation' Of Controversial Hepatitis B Trial In Guinea-Bissau Health Policy Watch