Police raid Guinea-Bissau offices tied to hepatitis B vaccine study

Ekonominin Sesi - International (English) · Oct 20, 2026 · 1m

Judicial police in Guinea-Bissau raided the offices of researchers involved in a controversial hepatitis B vaccine study and seized vaccine doses, officials said. A social media announcement said the search was part of an investigation into the circumstances surrounding the batch. It also said the seizure did not indicate any irregularity in the vaccines’ quality, safety or effectiveness. The study, redesigned over the summer, would still deny hepatitis B vaccines to 7,000 newborns during their first six weeks of life.

Guinea-Bissau’s health minister, Quinhin Nantote, disputed reports that…