The US/Germany (Pfizer and BioNTech) BNT162b1 vaccine has just gotten the go ahead for phase 3 trials in the US. They are still very much using it just as much as they are using the AZD1222 vaccine from the UK (AstraZenca and University of Oxford). The mRNA-1273 vaccine from the US (Moderna, NIAID and BARDA) is…