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Bird flu mutation studies must go on, says scientist
LONDON (Reuters) - A scientist researching a potentially highly lethal airborne version of the H5N1 bird flu virus said on Wednesday he must be allowed to pursue his studies if deadly pandemics are to be prevented. Despite declaring last week a 60-day moratorium on the studies to allay security fears, Yoshihiro Kawaoka argued in a commentary in the journal Nature it was urgent and vital that his ...