How Americans can prepare for broader outbreak of COVID-19

After infecting tens of thousands in China, the novel coronavirus has reached dozens of other countries -- at least 48 in total. Public health officials say it’s almost inevitable the illness will spread more extensively within the U.S. So what do we know about COVID-19, and how can we prepare for a broader outbreak? Amna Nawaz reports and talks to Dr. Peter Hotez of Baylor College of Medicine.