[olbius]

The researchers reported that those fully vaccinated were much more protected than those partially vaccinated, who again showed more protection than the unvaccinated. This pattern was seen in both analyses. When examining the vaccine effectiveness of participants who had received vaccines from different manufacturers, Moderna showed the highest effectiveness, followed by Janssen and Pfizer/BioNTech. This pattern was repeated when examining the severity of the disease.

Source : Real-world effectiveness of three COVID-19 vaccines