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The UK media’s ‘Aussie flu’ fears have gone viral – but can a global source be identified?

“Flu viruses circulate all year around, all over the world, and they are constantly evolving through mutation” writes Ian M for theguardian.com. Multiple flu viruses circulate each year and are broadly grouped into two types: A and B. Influenza B viruses form two main groups, while the influenza A viruses are more variable.Flu viruses are also shared around the globe thanks to air travel.
 
Source: theguardian.com



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