File -- In this Tuesday, Nov.10, 2020 file photo windows are illuminated at the headquarters of the German biotechnology company "BioNTech" in Mainz, Germany. Germany prepares for the vaccination of the German population during the upcoming month. (AP Photo/Michael Probst, file)

File -- In this Tuesday, Nov. 24, 2020 file photo Peter Wimmer, Vice President of Binder, the world's largest manufacturer of serial-production environmental simulation chambers for scientific or industrial laboratories, poses at an ultra low temperature freezer in Tuttlingen, Germany. Germany prepares for the vaccination of the German population during the upcoming month. (AP Photo/Matthias Schrader, file)

FILE -- In this Thursday, Oct. 1, 2020 file photo the honored Albrecht Broemme, former head of the federal civil protection organization THW, poses for the media during a 'Order of Merit of the Federal Republic of Germany' handover ceremony at the Bellevue palace in in Berlin, Germany. Germany prepares for the vaccination of the German population during the upcoming month. (AP Photo/Michael Sohn, pool)

File -- In this Tuesday, Nov. 24, 2020 file photo the display of an ultra low temperature freezer of Binder, the world's largest manufacturer of serial-production environmental simulation chambers for scientific or industrial laboratories, is pictured in Tuttlingen, Germany, Tuesday, Nov. 24, 2020. Germany prepares for the vaccination of the German population during the upcoming month. (AP Photo/Matthias Schrader, file)

File -- In this Tuesday, Nov.10, 2020 file photo a laboratorian works behind jalousies at the headquarters of the German biotechnology company "BioNTech" in Mainz, Germany. Germany prepares for the vaccination of the German population during the upcoming month. (AP Photo/Michael Probst, file)

File -- In this Tuesday, Nov. 24, 2020 file photo an employee of Binder, the world's largest manufacturer of serial-production environmental simulation chambers for scientific or industrial laboratories, checks an ultra low temperature freezer in Tuttlingen, Germany. Germany prepares for the vaccination of the German population during the upcoming month. (AP Photo/Matthias Schrader, file)

File -- In this Tuesday, Nov. 24, 2020 file photo an employee of Binder, the world's largest manufacturer of serial-production environmental simulation chambers for scientific or industrial laboratories, transports an ultra low temperature freezer in Tuttlingen, Germany. Germany prepares for the vaccination of the German population during the upcoming month. (AP Photo/Matthias Schrader, file)

In this Thursday, Nov. 26, 2020 photo chairs are placed in an exhibition hall in Husum, Germany. Corona vaccination centres in all 15 districts and independent towns in the German state of Schleswig-Holstein should be ready to start by mid-December. Germany prepares for the vaccination of the German population during the upcoming month. Word reads 'Vaccination Center'.(Christian Charisius/dpa via AP)

File -- In this Tuesday, Nov. 24, 2020 file photo Peter Wimmer, Vice President of Binder, the world's largest manufacturer of serial-production environmental simulation chambers for scientific or industrial laboratories, holds a small container as he poses at an ultra low temperature freezer in Tuttlingen, Germany. Germany prepares for the vaccination of the German population during the upcoming month. (AP Photo/Matthias Schrader, file)