With tens of millions of Americans now vaccinated, and many more around the world, it would be useful to step back and reflect on the fruits of these endeavors. What effect has vaccination had on the number of cases and fatalities? How have vaccinated and unvaccinated communities fared overall? What can we therefore conclude about the efficacy of mass vaccination against COVID-19?
Fortunately, not only is there an embarrassment of data riches on the subject, we are also far enough into the process of mass vaccination where we can begin to see how vaccination is playing out around the world, and close to home. We have examples of communities with high vaccination rates, and others with relatively low vaccination rates, so we can identify useful points of comparison.
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