Has the SARS-CoV-2 coronavirus mutated into a milder form since the first wave of infections back in the Spring? How do we account for the fact that this second wave of infections at the end of the summer has been much less deadly? What is the current outlook as to when an effective vaccine might be available? Jonathan McCormick speaks with virologist Boris Klempa, whose team first isolated the virus here in Slovakia, about these and other questions related to the current situation and future outlook of the pandemic. Repeat: What does Slovakia's old "Iron Curtain" border area look like today? US park ranger Paul Labovitz tells us how the US national park service has helped Slovakia develop its national parks and transform the Iron Curtain into a protected natural reserve.