Over the past 5 years, the United States has moved toward an annual Covid-19 booster program. Each fall, Covid-19 booster shots are developed, alongside seasonal influenza vaccines, and are recommended for every American. As compared with vaccination policies in all European nations, the U.S. policy has been the most aggressive (see Figure 1).1 While all other high-income nations confine vaccine recommendations to older adults (typically those older than 65 years of age), or those at high risk for severe Covid-19, the United States has adopted a one-size-fits-all regulatory framework and has granted broad marketing authorization to all Americans over the age of 6 months.1 The U.S. policy has sometimes been justified by arguing that the American people are not sophisticated enough to understand age- and risk-based recommendations.2 We reject this view…
