Taken from JRE #1439 w/Michael Osterholm: https://youtu.be/E3URhJx0NSw

Pandemics like Zika and Ebola can originate in one continent and quickly spread to another. To stop outbreaks before they start, scientists are trying to identify regions conducive to the development of new disease. One target is southern China, where factors such as daily wildlife trade and sewage-filled rivers have repeatedly led to the rise of new viruses. Hari Sreenivasan reports.