Veytics Intelligence
2026-11-05 · Aljazeera

Why Guinea-Bissau halted a controversial hepatitis vaccine trial for babies

Guinea-Bissau has reportedly halted a controversial United States-funded hepatitis B virus vaccine (HBV) trial which drew global scrutiny when experts said it involved withholding lifesaving shots from thousands of babies. The trial failed to gain the necessary government approval, one researcher involved in the project said in a statement, adding that the end of the trial was a “significant setback” for African science. The West African nation’s judicial police said in mid-October that it had raided the facilities of the research group leading the project in the capital, Bissau, and seized vaccine batches. Authorities said inquiries were continuing to determine whether the trial had complied with the country’s safety standards.

Read the full Veytics brief

We show the main point publicly. Create a free account to continue reading the full article, save it, discuss it, and connect it with market and OSINT context.