WHO probes swine flu mutations

Last Updated: Fri, 27 Nov 2009 07:36:00 +1100

The World Health Organisation says it's investigating reports of mutations in the swine flu virus, after half-a-dozen countries recorded cases in which the virus was transforming.

The Geneva-based organisation says it's following up on data received from China, Japan, Europe and the United States to see if there is any turn for the worse in terms of severity.

But the WHO also notes that mutations are common in influenza viruses.

Earlier, China said that it had discovered eight people with mutated versions of swine flu, while Norway reported last week that it had detected one case.

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