CNN omitted the reporter's (apparentlyJuliane Schäuble from “Der Tagesspiegel”) question that prompted that response but it's very well stated and to the point (about 31 minute mark):
My question touches an issue that worries a lot of people in the US and in Germany. Can you explain to us why there still is a travel ban for people coming from Germany or other states of the European Union? Why people from Turkey, where the number of new cases are 7 times high[er], can come?You have repeatedly said that you're following the scientific data — what is the main argument for not lifting that travel ban for the Schengen region?