Comment by ddeck

Pfizer (and Fosun) is also the distributor, ran the trials, and handled much of the public/regulator/media facing communications. As such, the Pfizer branding is not surprising.

Production is a multi-step process involving both Pfizer and BioNTech.

https://en.wikipedia.org/wiki/Pfizer%E2%80%93BioNTech_COVID-...