COVID-19 vaccination has started, and this site tracks progress in Italy. This site, world-wide.
Reverse Engineering the source code of the BioNTech/Pfizer SARS-CoV-2 Vaccine has a pretty good description of the BioNTech/Pfizer SARS-CoV-2 Vaccine, codon by codon, broken down in a way that I managed to follow.
From the same author, DNA seen through the eyes of a coder