Before revision:  Three listings offer the Pfizer/BioNTech vaccine, one listing the AstraZeneca/Oxford vaccine, and three listings a fabricated proof of vaccination against COVID-19. Several listings appeared before the summer of 2020, and can be deemed as scams .
After revision:  Three listings offer the Pfizer/BioNTech vaccine, one listing the AstraZeneca/Oxford vaccine, and 9 listings selling vaccines of unspecified type .