This month’s episode of our Explaining Ukraine podcast focuses on major events and trends in October 2021. Ukraine accelerates vaccination amid stronger corona threats; the EU and Ukraine sign a deal on open skies and update their association agreement, opening up new possibilities for businesses and citizens; Russia weaponizes gas against both the EU and Ukraine, cuts coal supplies to Ukraine and threatens to leave it with an energy deficit in winter; Russian troops are reportedly massing on Ukraine’s border. Hosts of the podcast: UkraineWorld’s chief editor Volodymyr Yermolenko and analyst Maksym Panchenko.