Bird Flu 'Could Mutate To Cause Deadly Human Pandemic'
"The H5N1 Bird Flu virus could change into a form able to spread rapidly between humans, scientists have warned.
Researchers have identified five genetic changes that could allow the virus to start a deadly pandemic.
Writing in the journal Science, they say it would be theoretically possible for these changes to occur in nature.
A US agency has tried unsuccessfully to ban publication of parts of the research fearing it could be used by terrorists to create a bioweapon..."