Since the onset of the COVID pandemic, we\u2019ve developed strategies to confront the crisis where we live\u2014expanding supplies of protective equipment and following guidelines to avoid catching the virus. But as the pandemic continues, WCS Executive Director for Health Chris Walzer and WCS Vice President for International Policy Susan Lieberman say we now need to focus on reducing pathogen spillover at the source. Wild Audio\u2019s Nat Moss spoke to them for this story.