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Pick of the week

Cold or flu?

In the northern hemisphere, it’s flu season – and if you’re unlucky, you may already have felt unwell. But can you tell the difference between colds and flu, which are both viral diseases, and both highly common at this time of year? Read this week’s pick to find out what marks them apart and why they cause our immune systems such a problem. 

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Fast Facts

Each issue of 'Big Picture' comes with a sprinkling of Fast Facts, fascinating snippets of information on the topic covered.

Browse through all of our Fast Facts indexed by topic