Geriatric nurse Jasmin Lasse vaccinates in the vaccination centre in Quedlinburg, Germany, Thursday, May 13, 2021. Germany's coronavirus infection rate dropped to its lowest level in nearly two months on Friday, while the health minister said the country had the most successful day yet of its vaccination campaign this week. (Matthias Bein/dpa via AP)

Lea Wittenborg, right, tests her colleague Annika Tschirbs at the Engel pharmacy in Soest, Germany, Wednesday, May 12, 2021. Germany's coronavirus infection rate dropped to its lowest level in nearly two months on Friday, while the health minister said the country had the most successful day yet of its vaccination campaign this week. (Bernd Thissen/dpa via AP)