Viruses jump from animal species into the human population every day. Over the past decade, new diseases have caused outbreaks all over the world. NPR's Science Desk is exploring whether it is possible to stop those spillovers from turning into pandemics like COVID-19. NPR correspondents will report back from Bangladesh, Guatemala, Texas, and other places where scientists are keeping an eye out for diseases that could make the leap. Listen for this multi-part series beginning next week in Morning Edition and All Things Considered.