by Marshall Brain | October 28, 2009
How do you catch the flu (or a cold virus)? This is a brilliant little video that explains the whole process, from how the virus particle gets into your body to how it multiplies and spreads, to how it eventually gets cleaned out of your body by your immune system:
For more info see:
- How to avoid catching a cold
- How Viruses Work
- How your immune system works
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