The research was postponed over biosecurity fearsThe research was postponed over biosecurity fears
The research was postponed over biosecurity fears

Research to resume on deadly artificial strain of H5N1 virus

Controversial experiments using an artificial but deadly strain of bird flu to return after scientists agree to follow strict new biosecurity guidelines

The research was postponed over biosecurity fearsThe research was postponed over biosecurity fears
The research was postponed over biosecurity fears
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