The US National Science Advisory Board for Biosecurity asked academic journals not to publish key parts of the findings.

BBC: Controversial bird flu work resumes

But it is being held up by a review being undertaken by the US National Science Advisory Board for Biosecurity (NSABB).

BBC: When should science be censored?

After the anthrax attacks of 2001, America created the National Science Advisory Board for Biosecurity (NSABB) to advise the health department.

ECONOMIST: Flu research and biological warfare

The American restrictions have since been eased, following a change of heart by the National Science Advisory Board for Biosecurity (NSABB), which advises the government on research financed from the federal kitty.

ECONOMIST: The saga over research into bird flu reaches a climax