UK: Prince Charles Hosts World Allergy Summit in Scotland.

The video is an introduction to the first Global Allergy Symposium, highlighting the presence of world experts and the discussions held so far. Organized by Stephen Holgate, the symposium aims to provide insights into allergy research. The speaker acknowledges the efforts of Nadeem and Tanya in organizing the event and hands over the session to them for further discussion.

What kind of discussions have been had so far at the symposium?

What is the purpose of the session mentioned in the text?