The director-general of the WHO said a U.S.-funded study of the hepatitis B vaccine in Guinea-Bissau would be “unethical” if ...

The health trial by researchers at the University of Southern Denmark has been suspended by Bissau-Guinean authorities.

The World Health Organization (WHO) underscores that the hepatitis B birth dose vaccine is an effective, and essential public health intervention, with a proven record. It prevents life‑threatening ...

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 ...

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

The U.S. Centers for Disease Control and Prevention (CDC) approved a $1.6 million grant to fund a study on the efficacy of the hepatitis B vaccine Dec. 15, 2025. After U.S. Secretary of Health ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE - This 1981 electron microscope image made available by the U.S. Centers for Disease Control and Prevention shows hepatitis B ...

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

General criticized a US-funded hepatitis B vaccine trial in Guinea-Bissau, highlighting ethical concerns regarding ...

DAKAR, Senegal — Guinea-Bissau is suspending a Trump administration-backed hepatitis B vaccine study on newborns in the West African country, pending an ethical review, the health minister said ...