Following the announcement, Professor Jan Andersson tells why the 2008 Nobel Prize in Physiology or Medicine was divided between two discoveries of viruses involved in diseases that affect global health. In Part 1 of the interview, Prof. Andersson discusses specifically the discovery by Harold zur Hausen.

For more information about the 2008 Nobel Prize in Physiology or Medicine, please visit: http://nobelprize.org/nobel_prizes/medicine/laureates/2008/