Controversial Hepatitis B Vaccine Study in Guinea-Bissau Faces Ethical Review
Published on: Jan. 22, 2026, 6:34 a.m. | Source: Devdiscourse
A U.S.-funded hepatitis B vaccine study in Guinea-Bissau, initially reported as canceled, will undergo further ethical scrutiny amid global health policy disputes. Critics argue the study's ethics, while researchers defend its value in understanding vaccine impacts. The Africa CDC and U.S. health officials provide conflicting updates.
