How pandemics spread - Mark Honigsbaum

source: TED-Ed     2012年3月11日
View full lesson: http://ed.ted.com/lessons/how-pandemi...
In our increasingly globalized world, a single infected person can board a plane and spread a virus across continents. Mark Honigsbaum describes the history of pandemics and how that knowledge can help halt future outbreaks.
Lesson by Mark Honigsbaum, animation by Patrick Blower.