Advisory Board December 14, 2022
Since Covid-19 vaccines became available in 2020, they have prevented over 18.5 million hospitalizations and 3.2 million deaths, saving the U.S. health care system roughly $1.15 trillion, according to a study published Tuesday by the Commonwealth Fund.
How the Covid-19 vaccine changed the pandemic
For the study, researchers at the Commonwealth Fund adapted their Covid-19 model to include the decline of naturally acquired and vaccine-acquired immunity, as well as booster vaccination. They also incorporated the characteristics of the original SARS-CoV-2 strain and five variants, including iota, alpha, gamma, delta, and omicron.
In addition, the model accounted for population demographics, prevalence of comorbidities, a contact network that determined changes in pandemic restrictions and mobility patterns, and age-specific risks of severe health...
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