“There are not yet enough vaccine doses in Europe to stop the third wave by vaccination alone,” German Health Minister Jens Spahn said Friday. Here, a health care worker displays a vial of the AstraZeneca COVID-19 vaccine in Stuttgart, Germany.

A health care work presents a vial with the AstraZeneca COVID-19 vaccine in Stuttgart, southern Germany on March 19, 2021. (Photo by Marijan Murat / POOL / AFP) (Photo by MARIJAN MURAT/POOL/AFP via Getty Images)