The Centers for Disease Control and Prevention’s plan for who gets vaccines and in what order saved nearly as many lives and prevented nearly as many infections as a theoretically perfect rollout, according to a new mathematical model we developed to assess the rollout of COVID–19 inoculations in the U.S.
In December 2020, with a limited number of vaccines available, the CDC had to make a hard decision: Who gets the COVID-19 vaccines first? It decided to divide the U.S. population into four groups for vaccine prioritization…
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