March 3, 2015 | Georgie

I woke up this morning with a headache and a very runny nose. I think I've caught a cold... or could it be flu? According to a study in China, adults catch the 'real' flu about once every five years.

Scientists were able to tell whether and how often volunteers had been infected with the flu virus by looking for antibodies present in their blood. Another study in the UK will test whether the findings apply to British people as well.


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Can you tell the difference between a cold and the flu?


The study looked at nine strains of flu that are known to have been circulating global populations between 1968 and 2009.


Image: Flickr/tinafranklindg

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