Guinea-Bissau denies approval for RFK Jr-backed newborn hepatitis B trial

Guinea-Bissau's health minister denies the government authorized a Danish-led hepatitis B trial in newborns, funded by US government and private partners and championed by HHS Secretary RFK Jr. The denial contradicts earlier reports of approval, creating uncertainty about the trial's status. The controversy highlights tensions around vaccine research in low-income countries and potential political influence on health policy.