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flag A U.S.-funded hepatitis B vaccine trial in Guinea-Bissau was halted over ethics concerns for withholding a proven vaccine from newborns.

flag A U.S.-funded hepatitis B vaccine study in Guinea-Bissau has been canceled amid ethical concerns, according to Africa CDC, which cited the trial’s design as unacceptable for withholding a proven vaccine from newborns in a high-prevalence region. flag The $1.6 million study, overseen by U.S. Health and Human Services Secretary Robert F. Kennedy Jr., faced criticism for potentially exposing infants to preventable disease. flag Africa CDC confirmed the halt and emphasized that any future research must meet strict ethical standards, supporting redesign efforts. flag While some Guinea-Bissau officials expressed interest in proceeding, the study will not move forward without significant changes. flag The decision reflects growing scrutiny of international research practices and a push for stronger ethical oversight in global health studies.

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