Why is it so hard to cure the common cold?
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On average, adults catch more than 150 colds throughout their lives. Even with similar symptoms, the cause could be different each time. Common colds are caused by at least 8 different families of virus, each of which can have its own subtypes. How can so many different viruses cause the same illness? And is a cure even possible? Explore the two main strategies we employ to fight viruses. [Directed by Anton Bogaty, narrated by George Zaidan, music by Nikola Radivojevic].