a) France
b) Germany
c) UK
d) US
Chancellor Angela Merkel announced on May 28, 2021, that Germany will begin giving coronavirus vaccine doses to children aged above 12 years from June 7, 2021. The European Medicines Agency is expected to approve the Pfizer-BioNTech COVID-19 vaccine for children aged between 12 to 15-years-old on May 28, 2021.