African scientists have criticised a study of hepatitis B virus birth dose vaccination as being unethical. Gilbert Nakweya reports.

Officials in Guinea-Bissau have stopped a controversial, US government-funded clinical trial examining the side effects of the hepatitis B vaccine, according to media reports.

A US-funded study in Guinea-Bissau on the effects of neonatal hepatitis B virus vaccination has been suspended pending further review due to ethical concerns. Talha Burki reports.

Giving some newborns in Guinea-Bissau an established hepatitis B treatment but not others is "unethical", it says.

DAKAR, Senegal(AP) — The African Union suspended Guinea-Bissau following a military coup, saying it won't tolerate unconstitutional changes. In a resolution adopted by the AU Peace and Security ...

By Jessica Donati Feb 18 (Reuters) - Guinea-Bissau's foreign minister has said his government has stopped a study funded by the Trump administration aiming to evaluate side effects of the life-saving ...

The World Health Organization (WHO) underscores that the hepatitis B birth dose vaccine is an effective, and essential public ...

Soldiers patrol on the main road in Bissau, Guinea-Bissau, November 21, 2025. REUTERS/Luc Gnago BISSAU, Dec 1 (Reuters) - Nigeria has offered Guinea-Bissau's opposition presidential candidate Fernando ...

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BISSAU, Guinea-Bissau(AP) — A delegation from the West African regional bloc known as ECOWAS made no headway in talks Monday with coup leaders in Guinea-Bissau, but said at the end of its visit that ...

Add Yahoo as a preferred source to see more of our stories on Google. Jan 22 (Reuters) - A Trump-administration-funded study into the effects of hepatitis B vaccines on newborns in Guinea-Bissau is ...