COVID-19 Data Comparing Vaccinated vs. Unvaccinated Continue to Be Available, Contrary to Viral Posts

All of the authorized and approved vaccines are effective at preventing severe COVID-19.

Against earlier forms of the coronavirus, the vaccines were highly effective at preventing symptomatic illness. For example, the Pfizer/BioNTech vaccine, which was the first COVID-19 vaccine to receive full approval from the Food and Drug Administration, showed a final efficacy of 91% against symptomatic illness in its phase 3 trial, meaning that under the conditions of the trial the vaccine reduced the risk of getting sick by 91%.

The Moderna vaccine showed similar results in its clinical trial, with a final