Why is it so hard to cure the common cold? | George Zaidan

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. This TED-Ed lesson was directed by Anton Bogaty, narrated by George Zaidan and the music is by Nikola Radivojevic.