Why a US-funded vaccine trial on babies was cancelled in Guinea-Bissau
Experts have said the US-funded trial would deny critical vaccines to thousands of infants.
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Why a US-funded vaccine trial on babies was cancelled in Guinea-Bissau (opens BBC News in a new tab)
The trial was condemned as "unethical" and "neocolonial" because half of the babies would not be given the vaccine.
Why Guinea-Bissau halted a controversial hepatitis vaccine trial for babies (opens Al Jazeera in a new tab)
Experts have said the US-funded trial would deny critical vaccines to thousands of infants.
