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

来源: Al Jazeera – Breaking News, World News and Video from Al Jazeera · 发布于

Why Guinea-Bissau halted a controversial hepatitis vaccine trial for babies
来源: Al Jazeera – Breaking News, World News and Video from Al Jazeera

Experts have said the US-funded trial would deny critical vaccines to thousands of infants.

Experts have said the US-funded trial would deny critical vaccines to thousands of infants.

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