What's the difference between a pandemic and an epidemic and why is this difference important?

What is the difference in pandemic preparedness vs epidemic preparedness?

These questions were raised after a recent PATH publication, "Healthier world, safer America: A US government roadmap for international action to prevent the next pandemic" in a commentary by CIDRAP director, Michael Osterholm, PhD.

Dr Osterholm joined be to answer these and other important questions in this show.