Health behaviors are contagious through social networks. Nicholas Christakis, MD, PhD, MPH, director of the Human Nature Lab, Co-director of the Institute of Network Science, and Sterling Professor of Social and Natural Science at Yale University discusses the COVID19 pandemic in the context of historical pandemics and public health preparedness and what we can expect in coming months. Originally livestreamed Tuesday March 31, 15:00 Central US (GMT-5) #Coronavirus #SARSCoV2 #COVID19