from RNZ
Highly pathogenic avian influenza - H5N1, or bird flu - has been flying around the world since the late 1990s.
New Zealand, Australia and the Pacific Islands are so far free of it, but now it has been discovered in mainland Antarctica and scientists say it is only a matter of time before it gets here.
By then, it will be more than just a virus that hits ducks and poultry farms, although that is bad enough.
The virus is mutating and has transferred with devastating effects into wild bird populations.
It has also turned up in mammals...
read more here
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