How Did TVD's Klaus Become a Vampire?

Since Elijah was mum on exactly how he and brother Klaus became the worlds oldest vampires, we decided to dig into the lore to find some theories on what couldve sparked the very first human-to-vampire transformation. Wetpaint host Jager takes us through some of the possible scenarios.

Source: http://www.wetpaint.com/the-vampire-diaries/video/how-did-tvds-klaus-become-a-vampire

Esther Canadas Coco Lee Monica Bellucci Milla Jovovich